
Why has nutrition - something that should be so simple - become so complicated? With 70% of our diet now consisting of ultra-processed foods and conflicting advice everywhere we look, is it any wonder we're confused about what to eat?
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Dr. Rupi Orjula
You have to be your own expert. You have to navigate what is a complicated world of nutrition. There's so much in nutrition that cannot be explained when you eat for nourishing your body, your body knows what to do.
Dr. Rangan Chatterjee
Hey guys, how you doing? Hope you're having a good week so far. My name is Dr. Rangan Chatterjee and this is my podcast, Feel Better Live More. Why is it that nutrition, something that should be so simple, has these days become so complicated? Well, today's returning guest is my good friend, Dr. Rupi Orjula, who's on a mission to make healthy cooking accessible and enjoyable for all. Rupi is a medical doctor, nutritionist, founder of the Doctor's Kitchen, and author of five best selling cookbooks. And if you haven't heard Rupi's story before, when he first came on my podcast, his life was changed after suffering a significant heart condition back in 2009. After learning about nutritional medicine, he was able to reverse his condition using a food and lifestyle approach. Today, Rupee is constantly creating tasty recipes that help people optimize their health. And he shares them, yes, in his cookbooks, but also in his quite wonderful Doctor's Kitchen recipe app that helps over 10,000 people each week use evidence based food and lifestyle medicine to live healthier, happier lives. And as a special offer to my listeners, rupee is offering 10% off an annual subscription to his brilliant appeal by using the link in the episode notes of your podcast app. In our conversation, we explore the science of burning fat and discuss why calorie counting often fails in the real world. We also talk about the crucial role of fiber, why protein at breakfast is vital for appetite regulation, and why eating dinner a little bit earlier can significantly impact our metabolism and weight. We also discuss emotional eating, how the quality of our sleep directly affects our food choices, and the four basic foundational eating principles that benefit almost everyone. In a world where something as simple as what to eat has seemingly become so complicated, our hope is that this conversation offers you a practical roadmap showing you just how simple and enjoyable healthy eating really can be. We all know that nutrition is important for our health. You've been a medical doctor for 16 years. You've got a Master's in nutrition. Why is it that something that should be, on the face of it, so simple has become so complicated?
Dr. Rupi Orjula
Yeah, it's a really. I think it's a really good place to start because I think a lot of people, particularly online, I'm not having to go anywhere online, but I think particularly online, people like to Be very binary about the explanation as to why things are going so wrong within the nutrition sphere, why people are getting more obese, sicker, why there's a rise in type 2 diabetes. You know, some people will lay the blame squarely at the guidelines. The guidelines are wrong. There's too many refined carbohydrates in it. It's not evidence based. There's lack of science behind that. There is a, you know, a conspiracy around food companies having undue influence from the guidelines. I understand those arguments. Other people will put the blame on food companies. Food companies are introducing seed oils into our food, toxic chemicals, obesogens, artificial flavorings, sweeteners that affect our microbiota, refinement, disruption to the food matrix. Completely understand those arguments as well. Other people like to have a go at the food environment, right when you go to work or you have a vending machines. I know particularly in medicine, when you go to hospitals, the food choices are dire. You know, I did some work with a large food corporation who do not either the patient's nutrition, but they also do the staff canteens. And there is a lot of discouragement and a lot of annoyance with the food options that are available to people within hospitals, particularly out of ours. I completely understand those arguments. And then other people will say, well, it's nothing to do with that. It's nothing to do with the food guidelines. It's nothing to do with processed food. It's the cost of good healthy food options. It is the cost of living crisis. It is the fact that people have less money on their pockets to make the right decisions for them and their famil. All of those options are correct. And just like there is no one single diet for everyone, there is no simple answer to the reasons as to why we are seeing rises in obesity, rises in metabolic disease and rises in illness in general. And I could rattle on about any one of these issues. But I think the biggest issue personally is people lack simple strategies to do the simplest things first. And I think if we simplify what people can do within their locus of control, we make it easier to make healthier choices. Now there's a lot of psychology behind this. You know, you've, you've talked about this so eloquently in your latest book and previous books as well. The reliance on information from so called experts. Some people are saying that a plant based or plant focused diet, which helps your microbiota, which increases plant diversity and increases fiber is the best way to go. Completely understand that. Other people say carnivore, keto, High fat, low carb is the best way to go. And really it depends on context. It really depends on that individual and what is right for them. Aside from the complexities of the different distributions of macronutrients, what can people do today to help them navigate what is a very complicated food landscape that has cost as an impact, that has food processing as an impact, that has guidelines and uniformity at it? And I think the four things that people should really anchor any nutritional strategy around are unprocessing your diet. And we can talk about these in a lot more detail. Adding more fiber to our diet. Eating protein, particularly at breakfast, I think protein is a bit of a controversial area, but definitely something that I've changed my mind on. And eating an earlier dinner. I think These are the four very, very simple strategies that people could align their 24 hours of eating around that can certainly help with improving their gut health, improving their metabolic health and staving off weight gain.
Dr. Rangan Chatterjee
Yeah, that's a great answer, Rupi. I love those four, I'd call them principles. I think one of the reasons, well, we get on very well off the mic as friends, but I think we share very similar philosophies on health because we understand that different things work for different people. Yes, on an individual level, but that bigger picture, why is it that we're so confused about nutrition? You very eloquently went through all of these so called reasons that people are saying that we're struggling. And the truth is, as you were going through them, I was kind of nodding my head at a lot of them going, I think there's a lot of validity to all of them. Absolutely right. There's a lot of validity to the science on lots of different diets. But let's try and bring it together. Instead of making it complicated, let's try and simplify it. I think those principles unprocess your diet, increase your fibre, intake protein at breakfast and having an early dinner are really interesting. I definitely want to delve into them in a, in a very practical way so that people can actually take something and start applying. Before we do that, though, I thought it would be useful to look at these ideas through the lens of weight loss. So I think many people these days are trying to lose weight. Sometimes it's because there's a lot of excess body weight. You know, someone may have obesity or be overweight, but even if you're not, a lot of people are often looking at themselves in the mirror going, oh, I can lose a bit of this belly fat. Let's Say, for example. Right. So I think, although we often don't like to talk about it anymore. Yeah, a lot of people actually do want to lose weight. They want to lose fat off their bodies. Right. So through that lens, how do you view the right approaches to take?
Dr. Rupi Orjula
Yeah, I think it's a really good point. It's almost become unfashionable to talk about fat loss and weight loss because the more noble activity is to, you know, focus on well being, focus on gut health. And I get that. And I think you can have both. So to answer your question more directly, using the science based tools that we have available for us, the way to weight loss is a calorie deficit. That is the way people lose fat, period. There is no controversy around this. The science is very much aligned on this. If you reduce the number of calories that you require per 24 hours, you will lose weight and you will preferentially lose weight from visceral fat. So that's the fat, if you have it around your organs and then your subcutaneous fat. So that's the fat that we have in rollers around our abdomen, for example. If you wanted to be purely data driven about this. So put your emotions to one side about whether you agree with calorie deficit diets at all. The way people go about this in a very scientific, regimented way is they get an idea of their caloric needs and their daily burn. And there's two main ways of doing this. So you can either do a resting metabolic rate test that you do in a lab setting. It's actually quite cheap to do. You lie on the floor, you put a mask on and it will give you an idea of what you are burning at rest. The other way is to use a very simple calculator online which gives you a ballpark figure of your basal metabolic rate. I'm going to talk to you about what one would do from a very science based perspective and then I'm also going to explain to you why I don't recommend doing it. It sounds very counterintuitive, but I don't recommend calorie deficit diets. So just have that in the back of your mind.
Dr. Rangan Chatterjee
This is the really interesting part of this conversation, I think is going to be around this. Whereas you are saying a calorie deficit is important, but you're then going on, I think, to say that you don't necessarily need to focus on that.
Dr. Rupi Orjula
Exactly right.
Dr. Rangan Chatterjee
So let's. Okay, let's break it down. So I think this will be really interesting for people and not to rail.
Dr. Rupi Orjula
On anyone, particularly online, but you have a lot of people who have very staunch views about how people lose weight and they will say the only way to do it is via calorie deficit diet. And that is truthful, that is very valid and very accurate. Generally, these folks who are promoting calorie deficit diets are actually quite motivated individuals themselves. They tend to be from the bodybuilding community. And if you think about the attributes of that individual, they generally are pretty regimented in the diet. They're very highly motivated individuals who can take that, that sort of black and white approach to nutrition and sort of be unemotional about it. That's not very relevant for, I think, the majority of people, particularly those who struggle with weight.
Dr. Rangan Chatterjee
I think it's a really interesting point there, Rupi, for me, which is all of us, as much as we think we're not, we're all a little bit biased. Right. So I think a lot of the time the arguments online over the right diet or the right way to lose weight, the reason they become so toxic is because people are very attached to what worked for them.
Dr. Rupi Orjula
Yeah.
Dr. Rangan Chatterjee
Right. And I understand that to a certain degree. Right. If you have struggled your entire life with your health and your weight and you've tried to follow the guidelines as you perceive them to be, and you've struggled, and then you find something that works for you and suddenly you're losing weight, you've got more energy, you can see your abs for the first time in years or whatever it might be. I understand why you want to shout from the rooftops and you want to tell people, guys, this is the way to do it. But the trap I think we fall into is thinking that the way that worked for us is necessarily the way that it's going to work for everyone else. I think there's multiple approaches that can work, like you. And certainly my view is that it's kind of on us to try and find what is the right approach for us.
Dr. Rupi Orjula
Yes. Yeah. And I think there's a lot of common ground within all of these different approaches, regardless of whether you're in the calorie deficit camp or the different macronutrient distribution camp. And when I say different macronutrient distribution, that's just a sort of science speak for saying some people low carb, some people low fat, some people high fat, low protein, for example. So, okay, let me, let me anchor ourselves in what the science says about weight loss and then I can talk to you a bit about the different sort of paths to that. So if you want to be data driven about this, you'll find plenty of people selling programs or promoting the information around getting an idea of your caloric burn. You simply use an online calculator. You input your data age, and as you age, your, your metabolism tends to slow down, which is why age is a very important input to determine what your caloric needs are. You then add things like sex. So male and female men tend to have more muscle on their body, which will require more calories in terms of the daily burn. And then height and weight to use to calculate your body size and composition. And then they use one of a number of different calculation equations. The common calculation is something called the Mifflin cent dure equation. And this uses your age inputs, your activity inputs to create something called your basal metabolic rate. So this is the number of calories that you are burning at rest and when. This is all very rough as well, so there are some caveats within that, but let's just assume that this is accurately measured what your caloric burn is when you have this information. Now the next step is to simply track the calories that you consume from food and drink for seven days. And then typically what they ask you to do is subtract the calories per day that you consume by 5 or 10%. And I think a 10% deficit is probably the way to go without shocking your body and makes it a lot more likely for people to adhere to.
Dr. Rangan Chatterjee
So that means, or let me try and explain it the way I've just heard that. Right? Let's say that you are a middle aged woman and your BMR, your basal metabolic rate is 2,000 calories, let's say 2,000. Just to make the math simple.
Dr. Rupi Orjula
Yeah.
Dr. Rangan Chatterjee
So your body needs 2000 calories a day currently. Are you saying that if we then reduce that by 10%. So again, I know you're not promoting this necessarily as the way to do it, but you're illustrating the point. If you only consumed 1800 calories a day consistently, when what your body actually needs is 2,000, you're gonna start losing weight.
Dr. Rupi Orjula
Yes. Yeah, that's exactly what I'm saying.
Dr. Rangan Chatterjee
Is there a consequence to that? If your body, I guess this is. We have to think, what does a BMR mean really? Because if your body needs that, are you gonna get tired and exhausted and have hormonal dysfunction and all kinds of other things if you're not giving it what it needs or, or is sometimes your basal metabolic rate not your ideal one, but what you currently have?
Dr. Rupi Orjula
Yeah.
Dr. Rangan Chatterjee
Does that make sense?
Dr. Rupi Orjula
Yeah, it makes total sense. And we're going to talk about some of the caveats to prolonged calorie deficit diets and how you want to reach a maintenance phase as well a little bit later on. So just on the evidence for why calorie deficit diets work, there are so many different studies that we can point to. The more recent meta analysis that I found that was published in the BMJ provides strong evidence that calorie deficit diets implemented through something like what you've just described, 2000 calories a day, less 10%, 1800 calories a day, are effective for fat loss, particularly visceral fat as well. There are 40 randomized controlled trials in the one that I was looking at with over 2000 participants focusing on the effects of caloric restriction. And other studies also show that calorie deficit diets, independent of whether you're doing this with a vegan diet, a low fat diet, a high protein diet, as long as the calories are controlled for, it will all lead to fat and weight loss.
Dr. Rangan Chatterjee
Yeah. And also on that though, which I know you'll probably be coming to, it is also theoretically possible to eat 1800 calories of so called junk foods.
Dr. Rupi Orjula
Exactly.
Dr. Rangan Chatterjee
And still lose weight, but potentially not promote better health.
Dr. Rupi Orjula
Absolutely right, absolutely.
Dr. Rangan Chatterjee
Which is a, again, another important caveat.
Dr. Rupi Orjula
Absolutely, absolutely. And you know, there was a study that was published in the New England journal of Medicine 2003 that compared low fat and low carb dry, because I can hear them right now. You know, you've got some low carbers probably listening to this podcast and think, well, you know, there are studies that show that your metabolic health improves if you're low carb, you're removing some of the refined independent of calories. And that is absolutely correct. And in this study, they looked at just 60 adults with obesity, and they found that after six months, comparing a low fat group with a low carb group, the low carb group lost a bit more weight, statistically significantly more weight than the low fat group. So in the short term, for certain people, and I just want to underline that for certain people, low carb fares better. However, if you look for longer. So after 12 months, 18 months, 24 months, in this study, they looked at 12 months, the differences disappear. And whether that's due to adherence, the fact that it's harder to not have some extra carbohydrates in your diet just because of, you know, going back to the initial points we were making around the food environment, it's not exactly easy to remove carbohydrates from your, your kitchen, your environment, maybe that's the reason. But the statistically significant differences between them at six months vanished at 12 months. So it stands to reason that this, this energy model of if you just simply reduce energy independent of the types of macronutrients, independent of the quality of food, you will see weight loss. And this is why you have a lot of people who are adamant that calories are the only thing that you need to worry about. So why then am I not a fan of it? And why are we both not a fan of it? In short, I think that they tend not to be as subtle as a 10% reduction in calories. Typically, what you find, and you've probably found this in practice as well, I've seen this many times, is a more aggressive calorie deficit, so from 2000 to 1500 calories. And I think that can encourage an unhealthy relationship with food that also magnifies the importance of calories. So the energy content of ingredients over other quality measures, things like fiber and processing and the nutrient value of food beyond the energy intake.
Dr. Rangan Chatterjee
Yeah, it's really interesting, isn't it? There's many ways to get to the goal that you want.
Dr. Rupi Orjula
Yeah.
Dr. Rangan Chatterjee
And as you say, on the face of it, if your only goal is weight loss, and yes, you can argue if you're carrying excess weight and visceral fat, that reducing that is going to be helpful. But at the same time, if you do that through eating lots of junk food, we can elaborate what that potentially means. There's going to be other implications for your health if you're eating pro inflammatory foods in order to lose weight. Yes, you might lose weight, but you may also increase inflammation and then you have to sort of weigh out what you're looking for. So I agree, like, I accept that that works. I don't dispute that that works. In my clinical experience, I've never personally found it a helpful method with my patients. Now, again, I said we all have a bias. I have a bias. My bias is the tens of thousands of patients I've seen over two decades. Right. That's my bias. The bias is I saw these patients, they were struggling. I saw different diets work for different people. I saw there's different approaches that people can take to lose weight and improve their health at the same time. Because that was always my goal as adults, to help you improve your wider health. So I would often actually not focus on the weight loss. Actually, yeah, I would focus on how do we create health in your body through nutrition, movement, sleep and stress management. What I call the four pillars of health. Let's really focus first on creating health. And a lot of the time, not all the time, a lot of the time, the weight loss comes along as a pleasant side effect.
Dr. Rupi Orjula
Absolutely.
Dr. Rangan Chatterjee
So you're not focusing on the weight loss. You're focusing on the creation of health, and that's giving you the weight loss as a side effect. And the analogy I draw, a few months ago, Rupi, I had this amazing movement expert on my show called Lawrence Van Lingen. People absolutely love that conversation. And in the running world, right. So for endurance runners, they will often talk about cadence. So they'll say, good endurance runners have a running cadence of, let's say, 180 per minute. So your feet are hitting the ground 180 times in a minute. And most recreational runners, or a lot of us, have a much slower cadence. And so people often think the way they improve their running is by getting a metronome and actually trying to increase their cadence. And he's like saying, that's like looking at Bentley drivers and going, oh, the way I become rich is to drive a Bentley. He's like, no, no, no. It's like he says, the cadence is a natural consequence when you do the other things right to improve your movement dynamics. It may not be the perfect analogy, but I think it kind of works there, which is. Do you know what I mean? I don't know what you would take on that.
Dr. Rupi Orjula
I think that is a perfect analogy which is going to go into something we're to talk about later. Because all the things that I've already mentioned, unprocessing your diet, increasing fiber, increasing protein at breakfast and ensuring an earlier dinner time leads to a calorie deficit as a natural consequence of those actions.
Dr. Rangan Chatterjee
A side effect. Dare I say it, It's a side effect.
Dr. Rupi Orjula
It is not the thing that we are intentionally going after, but it is a side effect. And I think that is what makes it a lot easier to ensure consistency, because consistency is king. So I'm going to, I'm going to talk a little bit more about this calorie deficit issues that we have. We both have, because in clinic, everyone has had this experience, no matter whether you're into lifestyle medicine or not. Someone comes in, they've gone on a calorie deficit diet, whether it's January or the middle of the year, whatever, they've had some early wins, they've improved their metrics on their scales, whatever it might be, and they hit the dreaded Plateau, they say they plot out on a graph and it goes like this, the L shape. And it is devastating for your confidence because you're doing exactly the same thing. You're maintaining your calorie deficit, you are ensuring that you are rigorous with what you are consuming. Nothing has changed whatsoever. So why then do we see this plateauing? Surely if the energy balance model is consistent, then you would just see a linear outcome in terms of your weight loss, particularly if you're starting off at quite a large amount to lose. Right. Why would you see this plateau? And there's a number of different things that you've alluded to already. There's hormonal changes and there's metabolic adaptations. Your body has essentially evolved to ensure that you have calories on it. Your body has evolved through thousands of years to endure famine. We are hardwired to keep energy on us. And so when you go through an aggressive calorie deficit, it's sort of mimicking what happens when you're going through a famine, when you're lacking food in your environment. We haven't updated our hardware to be relevant for our modern environment. It doesn't recognize that we have food in every single corner. And so just this realization should enable people to understand why we see this plateau. And if you're thinking about it again from the scientific lens, what happens to your basal metabolic rate, which is the number of calories that you burn through every single day? As you lose weight, your body requires fewer calories to maintain its new, smaller size. And this reduction in basal metabolic rate will slow down your weight loss. Essentially, it's sort of like if you're a startup company and you're getting in every single, every single month, you're having a certain amount of revenue coming in into the month. If that revenue starts to decline, what do you do as a responsible business owner? You start to spend less. And that's essentially what your body is doing. Your body is very smart. It will start spending less calories every single day, such to maintain the balance of your energy on your body. In the same way, business wants to maintain Runway and maintain its longevity in terms of cash flow. So this is just a very simple analogy to illustrate what's going on at a biological level.
Dr. Rangan Chatterjee
It's an argument against the calorie deficit, though. And what I mean by that is if it was just about calories, then surely reducing calories means that you're going to lose weight, so why would it then plateau?
Dr. Rupi Orjula
Yeah, yeah, yeah.
Dr. Rangan Chatterjee
And I guess it makes me think about this kind of you know, we're not robots and machines, right. That we're a complex milieu of hormones and biochemical signals which actually, when you really start to think about it, it's like, you know, think about the basal metabolic rate. We're spending calories on all kinds of things, aren't we? Breathing, digestion. But there's a bit of reserve there, you know, and we have the capability to reduce how much we're spending on those things, perhaps if we need to, if we're facing a famine, for example, where these complex beings that are constantly responding to signals, right. Which is, I think, what we sometimes forget. We're not robots.
Dr. Rupi Orjula
Yeah. We forget how intelligent our body is and how much of that is outside of our control. All this stuff is involuntary. Like, you know, we have something called adaptive thermogenesis. For example, the body will decrease its energy expenditure to match the, the calories that you are putting into it. It's a very, very smart system, you know, so essentially it's responding appropriately to you putting less food into your body. It is an appropriate response because it is geared towards survival as well. And the other thing that happened, I mean, there's so many other things that happen. But just to illustrate this point, you get a reduction in your anabolic hormones.
Dr. Rangan Chatterjee
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Dr. Rupi Orjula
Anabolic hormones are essentially hormones that promote muscle growth and promote metabolism. And this can also get people to understand why you feel tired. It will give you an understanding as to why people feel that fatigue and also your satiety signals reduce. You become more hungry. It becomes essentially more difficult to have that willpower to maintain a calorie deficit over time. At the start it might be easy, you might be very regimented. But then your body actually starts fighting against your voluntary decisions to reduce calories by amping up these biological signals as a result of what's going into your stomach and your intestines, your digestive tract, everything is telling you to eat, eat. Which is why. Another reason why. Yeah, I'm not a fan of this.
Dr. Rangan Chatterjee
And we have this biological set point, don't we? Yes, you know, the set points, a bit like a thermostat that Your body, your brain kind of, there's, there's a, there's a weight that it kind of wants you to be at your set points. And you know, if you aggressively are losing weight, for some people, that set point is still there and it's kind of, you know, driving. You'd say, wait, there's a problem here. It's like you, it's like your thermostat at home, the heating kicks in.
Dr. Rupi Orjula
Yeah, yeah.
Dr. Rangan Chatterjee
Because you, the temperatures dropped.
Dr. Rupi Orjula
Yeah.
Dr. Rangan Chatterjee
It's a kind of similar principle that we need to think about. I think.
Dr. Rupi Orjula
You know, there's so many, so many weird and wonderful things that happen. Like, I don't know whether you're like this, but I'm a, I'm a bit of a fidgeter.
Dr. Rangan Chatterjee
Right.
Dr. Rupi Orjula
My wife always tells me this as well. Particularly when we're like watching TV on the sofa. I'm constantly moving around and like, you know, just like feeling my, my, my thighs here or like move my. What this is referred to in the science is non exercise activity thermogenesis. So every little movement, all this different fidgeting that I'm doing, it's actually expending calories just naturally?
Dr. Rangan Chatterjee
Yeah.
Dr. Rupi Orjula
If I was to put myself on a calorie deficit diet outside of my voluntary control, the fidgeting will reduce. I will actually reduce the amount that I move as just as a consequence of me just moving around.
Dr. Rangan Chatterjee
But you're not trying to.
Dr. Rupi Orjula
But I'm not trying to. This is the thing. And it's a real big contributor to the amount of calories that one person expends every single day. Some people are naturally more fishy than others. It's just one of those weird quirks of human nature. But this is something that you actually witness, and this is something again, that proves how smart your body is. Outside of your volunteer control, you will do things naturally. Whether it's thermogenesis, whether it's because of our set point, whether it's because of non exercise activity thermogenesis. All these things coalesce to protect yourself from the insult of lack of energy going into your system.
Dr. Rangan Chatterjee
There's two things.
Dr. Rupi Orjula
It's pretty amazing.
Dr. Rangan Chatterjee
It is phenomenal. There's just a couple of things I want to address there. First of all, as we keep saying that term, calorie deficit diet, it's such a dry term, isn't it? Do you know what I mean? It's like such a dry scientific term. And I get why we're using it because you're trying to illustrate a point point here, a very important point, but in terms of making food and engaging with your health, fun and exciting, it's kind of. It's very cold. Do you know what I mean? As a term, that was the first thing. The second thing I wanted to just say is that some people may start to get a little bit disheartened from what they've heard already. They might go, oh, so you're basically saying it's impossible for me to lose weight. You're basically saying that I've got this set point and I'm going to lose it. My body's going to respond and it's going to just make me hungry and drive me back. So rupee, Is that what you're saying?
Dr. Rupi Orjula
No, that's not what I'm saying. I'm saying that I'm trying to give people an explanation as to what is the lived experience. For many of us who have struggled with our weight. There's so many drivers that we can go into as to why people have more weight on their bodies. You know, we talked about guidelines, we talked about the food landscape. Our genes can also dictate the ability of us to put on and lose weight. The environmental pollutants, for example, and our sensitivity to those.
Dr. Rangan Chatterjee
What does that mean? Environmental pollution.
Dr. Rupi Orjula
So environmental pollutants is a loose term that I'm using to describe chemicals and toxins in our environment that are obesogenic. So they will induce a million of different hormonal changes like insulin resistance or resistance to the hormone insulin that is released by the pancreas, that is anabolic in its nature, that will promote growth.
Dr. Rangan Chatterjee
Yeah. BPA in plastics. There's. I mean, have you dived into this research? I mean, it's pretty scary. Some of the research I've seen in terms of what BPA and plastics can do to our hormones.
Dr. Rupi Orjula
Yes.
Dr. Rangan Chatterjee
And in some ways you don't want to go there, because if you go there, you're like, wow, we're living in a pretty toxic world these days where there are these kind of obesogens, these chemicals everywhere that are also playing havoc. I think one of the nice things about how you start this conversation is that it's not really meant to be disempowering. It's actually meant to be very empowering and meant to help people realize that, hey, listen, you might lose a bit of weight at first if things start to plateau, don't worry.
Dr. Rupi Orjula
Yeah.
Dr. Rangan Chatterjee
It doesn't mean you're doing something wrong. It's just part of the natural process that some people have to go through.
Dr. Rupi Orjula
Right, Absolutely. And, and also just to harbor on that point, I like to keep things really simple. There's so many different rabbit holes that we can go into with regards to inputs into why people struggle with weight. So in terms of the big picture, what's the. What are the big reasons as to why people struggle with the weight? I think obesogens are probably less of the issue. They're still an issue, still very much something that I pay attention to and I advise people to pay attention to from a general disease prevention standpoint. But in terms of weight, I think there are probably other things that we can focus on before we start going into redesigning our kitchens and redesigning our lives to be. To remove obesions and remove environmental pollutants.
Dr. Rangan Chatterjee
Yeah. It's also, how much can you focus on at one go? Like, if you try and focus on all 20 factors that you may have heard about that are driving your weight.
Dr. Rupi Orjula
Yeah.
Dr. Rangan Chatterjee
It may start to get overwhelming. And totally. You can just go back, look. And for some people, that is going to probably be a big issue. Right. I guess it probably. I think what we're going to learn over the years is that some of us genetically are better able at dealing with the toxins in the modern environment, and some of us just aren't as genetically predisposed to deal with them. Well, totally. And in terms of, you know, this podcast is. Each week I try and have empowering conversations where people feel at the end of it, yeah, there's something I can do here, but there's really something I could do. Yes, I know the world's hard and life is tough and whatever it might be, but actually there are a few simple things I can do. And I think that's where we share very similar approaches. So we definitely want to get to these four food principles at some point. So I think, I think they're just really helpful.
Dr. Rupi Orjula
Yeah, yeah, yeah. And just to reemphasize that sort of lived experience that a lot of people have with constantly going on diets and, you know, you have a lot of motor. It's not lack of willpower, it's not lack of motivation that people have, because the fact that people have experimented with a lot of calorie deficit diets, dress up as lots of different, you know, diets, whether it's, I don't want to name names, but, you know, there's plenty of calorie deficit diets out there that are promoted by big companies. The very fact that people even are able to go on one of those shows an incredible Amount of willpower, an incredible amount of motivation because everything in your body is driving that individual to eat. But what tends to happen is a yo yo diet doesn't. Yo yo dieter doesn't lose weight, maintain that and then go back to the original way. You see an increase in their weight over time. Why does that happen? Well, for the same reasons that I just mentioned, why a calorie deficit diet does not work over three, six and 12 months in terms of their basal metabolic rate. What happens is you change your basal metabolic rate after doing a calorie deficit diet. When you start eating the same number of calories prior to that diet, what happens? You're in a calorie surplus. And that's why you see a trend upwards of people who are chronic dieters, rather than a plateau, rather than a steady weight. Does that make sense?
Dr. Rangan Chatterjee
Yeah. So let's go back to that example then. Let's say that you are a woman who roughly, let's say 2000 calories is necessary for you to function, your breathing, your digestion, whatever it might be, all the things in your body. And so you're saying that if they then eat 1800 calories, so that's a 10% deficit for a period of time, they're going to start losing weight. Let's just say a month or two. Right. You're going to consistently lose weight, but then for some people it's just going to start to plateau. But some people may be thinking, Rupi, that if I started at 2000 was what my need was, and I'm eating 1800 calories and I'm starting to lose weight, then surely my basal metabolic rate also will naturally go down because I have less mass on my body. So if I have less mass on my body, presumably the energy necessary to feed that mass to do all its functions is gonna be less. Do you understand what I'm saying?
Dr. Rupi Orjula
Exactly, yeah.
Dr. Rangan Chatterjee
So surely then, I'm just trying to think where the listener might be at in this. Surely then what they need to do is then consequently, you know, if their new metabolic rate becomes 1900 calories, then they now need to, you know, reduce, you know, reduce even more.
Dr. Rupi Orjula
Yeah, exactly. And that's exactly what happens. But in a real world environment, we don't maintain that same strict regimen of a reduction in calories. We go back to what we were eating before, and we're not very good at estimating the number of calories that we consume.
Dr. Rangan Chatterjee
That's the other point.
Dr. Rupi Orjula
It goes up and down every single week. Just like the ebb and Flow of life. And so what we tend to do is over consume compared to our needs. And that's what leads to excess weight, even more so than prior to when you started on the calorie deficit diet. It's a very, very common experience that lots of people have. And that's why you see, when you examine yo yo dieters or people who have tried different calorie deficit diets and all the different flavors that they come in, you see a general increase over time rather than a steady weight.
Dr. Rangan Chatterjee
Yeah.
Dr. Rupi Orjula
Does that make sense?
Dr. Rangan Chatterjee
So if someone's listening, Rupi, and they're like, okay, well what on earth should I do then? Yeah, right. You've shared some of the science, Rupi, with me in terms of what it says about how one technically loses weight. But you mentioned that term real world. That's the key thing, isn't it? There's what the science shows, there's what we can control in people, in a laboratory setting, in a research setting. But what actually happens in real life?
Dr. Rupi Orjula
Yeah.
Dr. Rangan Chatterjee
Busy people with busy lives faced with constant temptation when they go out in the world, they're stopping to fill petrol in their car and they're in the queue and they suddenly see, you know, they're a bit stressed and work, they're a bit tired. Oh, you know, those chocolate bars look good. Do you know what I mean? All those kind of things. What do you suggest they do?
Dr. Rupi Orjula
So I think there are strategies that, as a side effect, like you suggested earlier, will put you into a mild calorie deficit, but importantly, ensuring that you don't have to think about it. And you're also creating something that is sustainable, that you can maintain consistency around, that actually changes your biology that makes it easier to maintain a calorie deficit rather than forcing yourself into a calorie deficit. That sounds a little bit jumbled up, but I will explain when I go through these different practices, what happens to your biology that makes it easier for you to do so? So instead of you like, like pushing yourself to maintain calorie deficits, which I think are just inherently very, very hard, these practices I think will make it super simple, such that you don't really have to think about, okay, I need to restrict myself by not eating that.
Dr. Rangan Chatterjee
And possibly more enjoyable.
Dr. Rupi Orjula
100. I mean, I am a massive foodie, right? I, I mean, I live and breathe food every single day.
Dr. Rangan Chatterjee
How many cookbooks have you written now?
Dr. Rupi Orjula
I've written the fifth one is coming out in March and I.
Dr. Rangan Chatterjee
They're all brilliant guys for ways to actually improve your health and cook tasty food.
Dr. Rupi Orjula
They're brilliant. And I think in terms of the number of recipes that we've created is well over 2,000 now, because we have over a thousand on the Doctor's Kitchen app. I've done some for other people, some on the website. Like, there's just. I live and breathe creating recipes with this health slant with, you know, injecting flavor and. And, yes, fibre and, yes, all the functional ingredients. But flavor is really, really at the. At the forefront of what I'm passionate about. And I think it's really important to. To maintain sort of this perspective on, like, food being life. Food is life. Everything is geared around, like, in the enjoyment of food. It's like, you know, we've had so many dinners together and amazing experiences over breaking bread or breaking vegetables, let's say, or, like, you know, just. It. It's. It's the real sort of bond that people share. It's how we celebrate other people's cultures. It is so much to me and I think it's so much to me. Yeah.
Dr. Rangan Chatterjee
And I think that's one of the things people really love about your approach, Rupi, is that you're trying to bring back the fun and the joy about food, rather than food being this thing that I have to control and count this and count that and restricts. And, of course, everyone responds to different approaches. But one thing I really like about your approach is that you are trying to bring that joy and say, hey, this can be fun. Before we get to those food practices that you recommend, I just want to really emphasize this point that we're talking about, which is what can be really helpful for many people is this idea that we focus on wellbeing in a variety of different ways, and the side effect is that we consume less calories. And you're going to talk us through it from a food perspective. Let me just bring something in to really help people think about that point from another perspective.
Dr. Rupi Orjula
Sleep.
Dr. Rangan Chatterjee
We know from certain studies that if you sleep five hours a night compared to eight hours, you eat, on average, 22% more calories the following day.
Dr. Rupi Orjula
Totally.
Dr. Rangan Chatterjee
Right? So let's just really think about that for a moment about this concept that we're talking about. You're saying that technically you need to eat less calories per day than your body is burning if you want to lose weight. But what we're trying to say is that there are many ways to get to that end point without actually trying. So I have had patients in the past, Rupi, where I've helped them Lose weight actually not by focusing on food, by getting them sleeping eight hours a night. Because when you sleep for eight hours a night, or let's say you can't manage that, you improve your sleep, right? You're less hungry the next day, you feel fuller earlier and your ability to resist temptation is much higher when you've slept well. Right. So it's something that I don't think people think about enough. Like just because the food is important, there are other upstream levers that you can turn which means that naturally you will make better food choices. Like when you're less stressed, you make better food choices and all those sort of things. And so yeah, I just wanted to sort of double click on that point because I think it's really important for people to understand.
Dr. Rupi Orjula
I completely agree and I think there's a point I make in, in the next book and on the podcast. I do this all the time. We need more longer term strategies for, for, for weight rather than quick fixes which are being offered to us in the form of medications and diets and all the rest of it. But as part of that long term strategy are non nutritional strategies. It's not just about the food. I know we've just talked about calories and in and out and this is the scientific way to lose weight. And yes, that's absolutely true. But what you're a big fan of, and so am I, are the other upstream effects that actually lead to behavior change in the real world. And I think, you know, it's very easy for, and you know, I'm trained as nutritionist now and as a medical doctor, it's very easy to lean on papers and the evidence that we have presented to us and established journals, great, we need that. But that informs our opinion. It doesn't dictate the opinion. And I think that's really, really important to, for people to realize that yes, I'm going to present the evidence to everyone today, yes, I'm going to be pretty factual about it, but it doesn't mean that this is the beyond. And going back to what we were talking about, the start, you know, I think it's really important to maintain perspective on this. Really has to be contextualized for the.
Dr. Rangan Chatterjee
Individual and that's what I genuinely think. And you know, whatever modality you work in, they're studying the science and then they're seeing real world impact and they're not always the same thing. And I think the very best researchers, like I remember the first time Satchin Panda came on my show and he's been on yours, I think several times as well as mine. Like he said something like, you know, Rogan, I really appreciate what you're showing with your work. That actually what I'm seeing in the lab actually works in real life. I think the very best researchers get that. They get that. Look, we're studying this in a very particular setting. We want clinicians to tell us actually does this actually translate to real life? And I think that's a point that sometimes we miss. It's like, what does a science show? What does a science show? What does a paper show? Yeah, it's helpful, but it's not everything.
Dr. Rupi Orjula
Absolutely.
Dr. Rangan Chatterjee
So let's get into food. Right. Unless there's more on the science you want to share. Should we get into these four strategies or something you want us to cover first?
Dr. Rupi Orjula
I think we're going to get into it as we go through it because I think there's so many different ways in which we can again, contextualize what I'm going to talk to you about with regards to unprocessing your diet. That's the first thing I think if there's one thing that you can do, it is to unprocess your diet. What does that mean? Okay. I think the way you've described it in your, one of your books on weight loss really packs so much information into a very simple strategy, which is focus your diet on one ingredient foods. And where do you find these one ingredient foods? Where you find it on the outside of the aisles. You find it in the supermarkets with ingredients that you recognize without the need for labels. It's a very easy thing for people to remember. It's a heuristic, a rule of thumb. I know there's going to be some nutrition scientists shouting that down down at the podcast. I understand there is an over classification. I understand that it's not as simple as saying if you don't recognize the ingredients on the back of a packet, then just put it back on the shelf. I think this is actually a good strategy for most people because it's understandable.
Dr. Rangan Chatterjee
Yeah. It's like, what is the goal? If the goal is to help people, we need, we need to communicate these ideas in a way that actually resonates with them that they can apply. I, although I understand it doesn't fit in every situation, I still believe that actually that concept of if it's got more than five ingredients on it, just think twice before you put it in your mouth. I still stand by that.
Dr. Rupi Orjula
Yeah.
Dr. Rangan Chatterjee
Right. Because can I say, it works 100% of the time? No, I can't say that. But is it a useful framework to think about as you're going through life? I found it very helpful and I know many of my patients in the past have found it helpful as well. So I'm still going to go. I think it's helpful for most people.
Dr. Rupi Orjula
I agree. And I think if you look at the stats around the number of processed foods that we have in our grocery stores, you know, it's around 70%. I mean, 70% of the UK and US's diet is processed, ultra processed foods. So these are foods that are really far removed from the original intended ingredient. They've had added salts, added emulsifiers, other additives to ensure its sweetness.
Dr. Rangan Chatterjee
Can I ask, what's an emulsifier?
Dr. Rupi Orjula
An emulsifier is something that changes the texture of food to make it a lot more palatable. There are other additives that are used to ensure that the shelf life is preserved. And there are other things that we also do to food to preserve shelf life, like dehydration. So all these things collectively have been shown in a number of different studies to be linked with poor health independent of the calories that they consume and.
Dr. Rangan Chatterjee
Independent of weight loss.
Dr. Rupi Orjula
Exactly. Independent of weight loss as well.
Dr. Rangan Chatterjee
So which is why, going back to what we said before, even if you could technically lose weight by eating junk foods, because I guess you could say I could literally have soft drinks and french fries, but as long as it's in a calorie deficit, I will still technically lose weight, you may not be improving your health at the same time, or you may on one hand be helping a little bit, but on the other hand be causing a whole host of other issues for you.
Dr. Rupi Orjula
Yeah, and there are studies that have done that. I mean, they're pretty impressive. And you look at it and you're like, okay, yeah, I mean, the energy balance theory does work. Absolutely. But what are the long term ramifications? You can't do a study for more than a couple of years at most. Like, what are the implications of this kind of habitual eating over decades? And the only evidence that we have around that are observational, essentially, no one's going to put someone on a randomized control trial between ultra processed and less processed foods. We look at natural experiments. And so this is the strongest evidence that we have.
Dr. Rangan Chatterjee
Let's connect this, this first principle, unprocess your diets. Let's connect that to this concept of calorie deficits. Right. So again, the principle being that we're trying to engage in practices that are fun, that are enjoyable, that naturally lead to us consuming less calories without focusing on the calories. Right. So, you know, how does unprocessing your diet fit in with us consuming less calories?
Dr. Rupi Orjula
Foreign.
Dr. Rangan Chatterjee
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Dr. Rupi Orjula
The mechanisms that exist that explain why ultra processed foods are damaging for our health are multifactorial. One of the key things, I think, and probably the simplistic explanation, the Occam's Razor approach, if you like, is that it actually leads to over consumption of these foods because they're so hyper palatable. Because they light up the reward systems within our brain, we generally over consume calories. And this is a bit of, this is a bit of a conundrum for folks like us, right? Because on the one hand we understand the reasons and the biological reasons as to why this leads to ill effects like weight gain. But on the other hand, it kind of gives food companies a bit of a way out. It gives food companies a narrative that says, well, as long as you don't consume these foods, as long as you maintain willpower not to consume as much of these chips and cookies and whatever, then these are perfectly safe for you. They are safe within the context of someone's motivation. And I think that's incorrect because what's happening is a hijacking of our senses that leads to the overconsumption in the first place. And so you could also argue that ultra processed foods displace healthy foods from our diet. The matrix degradation of the food leads to a lack of ingredients for our microbiome. And we know and you spoke and on your podcast many times that anything that supports our microbes health is super important from the perspective of inflammation, sugar balance, but also weight maintenance as well. And unfortunately, the marketing of these foods tend to be at those of the most vulnerable in society. And this sort of availability and convenience of ultra processed foods leads to what we see in the studies being the reason as to why it makes up so much of a population's diet, particularly in the, in the west, in the US and UK and it's growing in other countries as well. I know you've spoken to Chris Valentulliken on, on the podcast about the subject. You know, everything he says is true. And I think it's on us as health communicators to not only give people the information around ultra processed food and the mechanisms and all that kind of stuff, but give people simple strategies and simple ways in which they can depress you. I think one of the most, like, I mean, there's so many things about doctor in the House that are like buried into my brain. But one of the best things, and I think it's controversial to a lot of people today, but when you went into a family's house and you opened up the cupboards and you were like, take all of this out. It was cereals, it was marinades, it was sauces, all these different elements that's.
Dr. Rangan Chatterjee
Going back sometime now almost 10 years. I remember doing that. And yeah, I mean, you say it's controversial, right? And I agree it is one of the most useful strategies I found with patients over the years and frankly myself is this idea to not use up willpower in your house. Now, I post about this relatively regularly And I think the last time or one of the last times I posted about this idea on Instagram, there was a small section who like this is ridiculous. We should be able to have unhealthy, let's say ultra processed foods in our house and we should be in tune enough with our bodies to not consume it. Now I don't disagree that that would be a great aspirational state to be in. I just don't think many of us are in that state. And I feel that a lot of the time we're making our life really difficult if we're using it. Willpower in the house So I genuinely do not bring food into my house that I don't want to be consuming. I don't tend to keep sweets, chocolates, cakes. I don't keep them at home because there will be an evening when I'm feeling tired and a bit stressed and I will start opening the cupboards and look for something a little bit sweet. And all I can see at the moment are whole nuts and olives. And sometimes I'm like, ah. I'm not sure I feel like that at the moment. It's not really what I wanted. I so don't eat because it wasn't what I wanted. I wanted that little hit from something sweet. So again, in terms of what is practical for many people, and my bias is the patients I've seen over the years, I think not using your willpower in your house is a great tool. And also thinking back now to that family who I helped to doctor in the house, I think a lot of these principles depend. They depend where you're at on your journey. Right. If you're used to having loads of ultra processed foods and that's, you know, making up 70% of your diet as it is for many people actually to reset maybe for a few months, you don't want that stuff anywhere near you. So it can help you reset your taste buds.
Dr. Rupi Orjula
Yeah.
Dr. Rangan Chatterjee
And I know you know all the studies on and maybe we can talk about them, about how we tend to over consume ultra processed foods. Most people listening will know the adverb, you know, Pringles, once you pop, you can't stop. Well, I think most of us know that feeling. Once that packet opens, it doesn't take long before it's empty.
Dr. Rupi Orjula
Yeah. And I think to your point about the folks who are saying, you know, it's lunacy to take all the ultra processed foods out your kitchen and that we should have willpower to, and, and the self control, I think that's honestly Antithetical to the science. And just one study, I mean, there's so many different studies, but there was one study that was performed in a metabolic ward. So that's where you have a very accurate idea of calories in, calories out. It was done in 2019. They looked at just 20 adults and they consumed ab libidum. So whatever they wanted, they were able to consume of two weeks of a minimally processed diet. And then it was crossed over with another two weeks again, ab libidum. So whatever they want of an ultra processed diet. And the participants who were on the ultra processed diet, arm, when they were on the ultra processed arm, they consumed on average 500 calories a day more than on the minimally processed diet. So let's put that into context. Going back to the lady at the start, the sort of example of 2000 calories, you're going to be consuming another 500 calories, an extra 25% more energy. What do you think that's going to do to fat, visceral fat. And that's just after two weeks. What's that going to do over time? So this idea that we can be, that we can exercise self control in an environment where we have food that clearly shows us that we over consume, that clearly is something that we over consume when given in a free living environment is something that I think needs to be addressed by having some guides, some sort of rails around so we don't use up the willpower when we're in our kitchen, when we're at our home, because outside we don't have control of that. Yeah, in our houses we do.
Dr. Rangan Chatterjee
Let's just think about that again. Let's just think about it through this wider point, which is to improve our health, to reduce the harmful levels of fats that are on many of our bodies. Right. Even if we're just a little bit overweight, but have that dangerous visceral fat, the fat around our organs, the pro inflammatory fat that's increasing our risk of chronic disease. The point we're trying to land in this conversation, I think, is this idea that we want to help people generally eat less, but we want to help them do that by not necessarily focusing on eating less. We recognize that some people actually probably do okay by focusing on eating less. And you mentioned some people in certain industries, very motivated, they like to track calories, they like to measure how much they're having. Okay, great. I don't think either one of us is saying for that individual to stop. If that's working for you, brilliant. We want the same outcome. We want people's health to improve. Right. If that's your way of doing it, wonderful. But so far, there's two specific things I think people can grab their heads around. Right. What you just said about ultra processed foods. If you are eating ultra processed foods regularly, you're probably going to be consuming more naturally. So if you can, and we recognize it can be tricky and there are cost implications, but if you can go to more whole unprocessed foods, these one ingredient foods, as much as you can, it's likely that you're naturally going to consume less. Right. So you're not trying to consume less, you're just choosing different foods and you're naturally consuming less. And we also mentioned with sleep, if you can improve your sleep a little bit, let's say you're sleeping six hours a night, you can even get that to six and a half hours a night to make it instead of black or white perfect or nothing. It's like, no, no, even 30 minutes extra, it's going to have an impact on your hunger, your satiety. You're going to naturally be consuming less the next day and you're going to naturally be able to resist temptation a little bit more. These are two kind of relatively simple levers to turn. Simpler for some than others, of course. That will naturally lead to you consuming less calories.
Dr. Rupi Orjula
Yes, exactly that, exactly that. And I think it's a nice framework that you've done throughout this part of getting people to understand that you're going to naturally consume less energy. We can explain it through the energy balance model, absolutely. But I think it's important for people to actually think about the tangible activities that they can do every single day. And it can be explained by the science. But just get people to do these practices of, you know, swapping your crisps for nuts or swapping the marinade for something that you make yourself at home. These little things. Even reducing the amount of ultra processed foods in your diet is still better than completely eradicating it as well.
Dr. Rangan Chatterjee
What do you say rupee to someone who goes, okay, listen, I hear all this stuff about ultra processed foods, right, but what are they? Yeah, what is an ultra processed food? What do you say to them?
Dr. Rupi Orjula
So there's a scientific explanation as to what ultra processed foods are.
Dr. Rangan Chatterjee
Has it got cool terms in like calorie deficit metabolic ward, ad libitum? People love these terms.
Dr. Rupi Orjula
I know, I know. So it was created by Brazilian scientists who, you know, is credited with the Nova classification skill. But even within that, like scientists still argue over the classification of certain foods, whether something is class two or three or whether it's even helpful to have these different classifications. So, Nova one, it's pretty much your one ingredient foods. It's your culinary ingredients, your fruits, vegetables, poultry items.
Dr. Rangan Chatterjee
When you say culinary ingredients, do you mean like herbs, like spices?
Dr. Rupi Orjula
Herbs. Spices, that sort of stuff.
Dr. Rangan Chatterjee
So these are acceptable? These are things that you're encouraging?
Dr. Rupi Orjula
Yeah, these are things that we encourage. Essentially one ingredient food. Foods.
Dr. Rangan Chatterjee
Okay.
Dr. Rupi Orjula
And then you have the next step down, which is processed culinary ingredients. Yogurts, cheese. These are things that have undergone some processing, but essentially they still have health benefits or they're at least health neutral.
Dr. Rangan Chatterjee
Hummus.
Dr. Rupi Orjula
Hummus is essentially one of those. Yeah.
Dr. Rangan Chatterjee
Because I think sometimes, again, everything gets quite extreme and black and white people go, yeah, but what about these things? They're processed. But what. We're not saying no processing.
Dr. Rupi Orjula
Yes.
Dr. Rangan Chatterjee
We're saying minimal processing. As close to its natural form as possible.
Dr. Rupi Orjula
Exactly, yeah, yeah. And so within that, you have so, so much gray area. You have a marinade that's made with wholesome ingredients. Olive oil, garlic, tomatoes that are perhaps being cooked themselves, that would still be classed as a processed food. It's very different to an ultra processed food. An ultra processed food would be something like a crisp. It's been dehydrated, There has been an additive added to it. There's perhaps even flavoring. There's so much that has happened from creating from the original ingredient that could be corn or rice or potato, to the product that you have in your hand.
Dr. Rangan Chatterjee
This is so interesting. Rupert just had a thought, Right. So we talk a lot about ingredient labels. And actually, I think one of the things I've found is very helpful for patients over the years is trying to teach them to start looking at ingredient labels. Right. Because many people just never look, and I probably didn't 10, 12 years ago. I imagine there was a time, whereas now I look at everything before, but I'm like, turn it around and go, wow. I didn't realize it had all this stuff in. Why is this product. Why is this. Got sugar in it, for example? I didn't. You. You may not tell until you flip it over, but this ultra processed food kind of template, it kind of takes it one step further, Right? Because you could potentially look at a crisp, right? And they're a healthier version of crisps or what they call potato chips in America. Okay. And if you look, you will see that some of these have, you know, some of them actually are trying to market themselves as Healthy. And it will be potatoes, olive oil and sea salt. There are some out there that exist like that. Right. So on the face of it, it looks healthy, let's say. Right. The point I'm trying to get at, it's not only the ingredients, is it, it's what's happened to those ingredients because they're still dehydrated and they're still probably going to make you over consume even though their ingredients are technically a little bit better and even though they've got less than five ingredients on the packet. You know what I mean? That's. And going back to the original question, well, this is why people are so flipping confused about food, you know what I mean?
Dr. Rupi Orjula
Well, there's so many different inputs because what you're referring to there is the disruption to the food matrix. So the food matrix is essentially the 3D structure in which we find natural food. So I can still have something like a potato and like you said on the crisp packet, it could still have just olive oil and salt. And you might think that's great, you know, that's, that's all that's been done to it. But actually we've disrupted that, that, that food matrix. We've boiled it down to the constituent ingredient ingredients of, of starch, carbon molecules and then reformed it in the form of a crisp or whatever it might be. And that in itself is an ultra processing method that can lead to overconsumption because of the palatability.
Dr. Rangan Chatterjee
Yeah, it's such a good point. Because also let's look at it through the lens of one ingredient foods. That so called healthy crisp packet has got three one ingredient foods in, right? Potatoes, olive oil and sea salt. So the complexity is. Yeah, but what's been done to those potatoes.
Dr. Rupi Orjula
Yes, yeah, yeah.
Dr. Rangan Chatterjee
Because you, it's hard, you know, people may push back on this, but potatoes are quite a, they've got pretty good levels of satiety. You know, you're probably not going to over consume boiled potatoes 100%. Yeah, you're going to feel full very quickly. But you can over consume potatoes in crisp form and even. Let's take it one step further, right? And I'm just thinking this through in real time. Rupee. Just I really, you know, I really want to land these points to people so they really get it. So let's talk about that healthy crisp packet. Potatoes, olive oil and salt. You could steam some potatoes at home, right? Your organic potatoes, you can wash them, you can steam them, put them in your plates if you want, put on olive oil and put on some sea salt. Sounds delicious.
Dr. Rupi Orjula
Right?
Dr. Rangan Chatterjee
But you can eat, consume less of that. Even though the salts and stuff makes it more, you know, palatable and you're going to consume a bit more like you're still going to consume less of that than the same three ingredients put in a crisp packet.
Dr. Rupi Orjula
Yeah, exactly. And I mean the same thing can be said of one ingredient foods. I mean, think of orange juice. Orange juice can have one ingredient. That's it. It's just orange juice. That's, you know, one of your five a day full of vitamin C. These are the health labels that you find on, on products. But unfortunately, because of that food processing method, because of the disruption to the natural structure of the orange, because of the removal of fiber and the concentration of the natural sugars, there's nothing wrong with the sugars in fruit. But when it's refined to that point, it can still be a one ingredient food, but it can still be detrimental to your health. So this is where people get really confused and you know, you can understand like, well, I've used, you know, one ingredients. You know, this is what I've been having. It comes down to, you know, what our ancestors would have eaten, what our grandmothers would have told us. You know, this is why I'm a big fan of simple messaging of like one ingredient foods. As much as possible, shop in the outer outskirts of your supermarkets and be realistic about what, whether something is processed or not. If it comes from a packet, just think twice. Like you said, read the back of the ingredient label.
Dr. Rangan Chatterjee
And also be realistic. You know, there's, there's ideal and optimal and then there's realistic. Right.
Dr. Rupi Orjula
Yeah.
Dr. Rangan Chatterjee
You may not be able to get to 100%. Yeah. Of minimally processed foods. I mean, sure, that would be amazing. But I think for many people, they feel that's a little unrealistic, but they perhaps don't need to.
Dr. Rupi Orjula
Yeah, totally.
Dr. Rangan Chatterjee
You can still get, even if you reduce it and change the balance by 10 or 20%, you're still going to get those benefits. You're going to start to get those benefits.
Dr. Rupi Orjula
Yeah, I don't think. I'm glad you're making this point because it's very easy to be puritanical about this stuff. And I'm certainly not a fan of being puritanical of this to the point where I make a point on social media and on the Doctor's Kitchen app of highlighting processed foods that I love. You know, chili oil. Love it. Got a changing. Love it. There's a Korean fermented paste that gives Beautiful depth of flavor and color and heat to whatever it might be. It could be something that I add to beans, it might be something that I add to cauliflower to make a one ingredient food that much more delicious and palatable. And I think there is, there are ways in which we can use some processed ingredients into our diet and still have very holistically, a healthful diet that will ultimately, you know, lead to better weight maintenance and even weight loss.
Dr. Rangan Chatterjee
You mentioned the Doctor's Kitchen app. Last time you came on my podcast. You shared a little bit about that app and when you were up to how have things changed over the last couple of years? I mean, how's the app doing? You know, what are people reporting?
Dr. Rupi Orjula
Yeah, it's been phenomenal. You know, one of the things, one of the reasons why I started the Doctor's Kitchen in the first place is to amplify what I was able to do in clinic on a one on one basis with people watching on social media. And I think what the app has allowed me to do is be in people's pockets whilst they're cooking in their kitchens at home. They don't have to listen to me on a podcast, they don't have to read an article, they can follow a recipe, they can learn about the ingredients of that recipe, they can share it with their family members and they can enjoy it with their loved ones. And what we're doing is teaching thousands of people every single week to eat well every day through recipes, through information about the benefits of certain ingredients. And we have over a thousand recipes on the Doctor's Kitchen app now and more every single week with a simple meal planner. And, you know, because it is quite hard when it comes to planning what to eat every week. And you know, you've got so many different issues. You've got the indecision of what to make, you've got different taste preferences. If your kids, for example, I'm going to learn about that when my son's a little bit older. I'm sure you've got the cost implications of food, you've got seasonality, there's so many different things to keep an eye on, and then allergens and dietary preferences and all that kind of stuff. And so if I can take away some of that complexity through a very simple, elegantly designed app that helps you make food decisions that introduce variety and balance and don't make you feel guilty and it's just easier to cook from scratch, then that's a win for me because.
Dr. Rangan Chatterjee
Amazing.
Dr. Rupi Orjula
Yeah.
Dr. Rangan Chatterjee
And who, you know, for People who didn't hear us talk about it last time. Who is it for? I know it's not a weight loss app, but does will it help? Someone who hears this conversation goes, actually, yeah, I want to try these practices and I do want to lose a bit of excess fat from my body. Do you think your app will help them naturally?
Dr. Rupi Orjula
It will absolutely help people because we're not a weight loss app. We don't promote calorie counting. In fact, you can remove a lot of the nutritional information if you wish from the app. But there are so many people who have just simply done essentially what I'm talking about, unprocessing their diet by cooking from scratch, more increasing the amount of fiber and protein that they consume and eating earlier dinner if they can, and they lose weight naturally. What we've done with our app is we've structured it around eating well, which is like kid friendly and generally family friendly, but also around certain health goals. If you're looking to lower your cholesterol, if you're looking to improve menopausal symptoms, if you're looking to improve brain fog, we've looked at the dietary patterns and ingredients that align with those health goals to make it easier for you to choose recipes that aligns with their health goal. Rather than just giving you the information, don't eat this, eat this instead. We're actually just making it a lot more practical. And I think that's where a lot of this, a lot of this confusion lies, because people are looking for information without actually getting the practical solution.
Dr. Rangan Chatterjee
Putting it all together, essentially, for anyone who wants to eat better, yes, it will help you with weights, with hormonal balance, with energy, vitality, whatever it is. And so, yeah, and I know how hard you work on it to help people get that information in a very easy and accessible way. Yeah, you've got these four food principles, right. Number one, unprocessed, your diets. I think we've covered a lot about that. I think we could keep going for another hour on that. But let's move on to the second one, which in some ways is not unrelated to the first one. Yeah. But I think worth pausing on fiber. What's your take on fiber?
Dr. Rupi Orjula
So there are some stats around the consumption of fiber in the US. 90% of the US population do not eat enough fruits and vegetables. This is where we tend to get fiber from in the uk. I know everyone's heard of the five a day slogan. Our average is around three. That ranges between zero and around five or so. The optimal. If you're looking at the stats is close to 10 portions of fruit and vegetables per day. This is looking at some research that was done by Imperial researchers back in 2019. Now that doesn't necessarily mean that everyone needs to eat 100% 10 fruits and vegetables a day. I think there's a lot of nuance in this conversation. The more fruits and vegetables that you can naturally introduce into your diet without having to force it is great. And that. Which is why I had this principle of just eat one more. Did a TED talk on it a number of years ago. You know, every time you sit down to eat, can you add just one more fruit, vegetable, nut or seed? Just one more. It could be a topper, it could be a side, it could be a steamed greens on the side. Just think to yourself, can I add just one more? Do I need just one more?
Dr. Rangan Chatterjee
Okay, just on that. I just want to not play devil's advocate, but we're sort of saying at the start that many of us are kind of over consuming for a variety of different reasons. So how does eating one more help in that environment? Could someone say, well, Rupi, you're saying to us we need to eat less. Now you're saying I should eat more. I know you're not saying that, but for the, for the purpose of this conversation, how does that fit into what we've just said?
Dr. Rupi Orjula
When you eat more fruits, vegetables, nuts and seeds, what you're inadvertently doing is eating more fiber. And what happens when you eat fiber is that it increases your feelings of fullness and satiety. So how satisfied you are. Satiety is just a fancy word for satisfaction, at least to reduced overall calorie intake. As a side effect, and this is particularly pronounced with soluble fiber that we find in fruits, vegetables, nuts and seeds. It also creates this sort of gel like substance in your gut. This is from soluble fiber that slows down absorption and this improvement in your blood sugar levels as well that we know is critical in protecting us against things like type 2 diabetes.
Dr. Rangan Chatterjee
So you're basically saying, eat one more of the right stuff.
Dr. Rupi Orjula
Yes.
Dr. Rangan Chatterjee
And you'll eat a lot less of the wrong.
Dr. Rupi Orjula
Of the wrong stuff. Exactly that. Exactly that.
Dr. Rangan Chatterjee
You can have that.
Dr. Rupi Orjula
I'll make that the subtitle of my next book. And what also happens is you're inadvertently increasing the food that your microbes have to munch on. So I like to describe our microbial community in a largely populated, largely in our large intestine. We have microbes all over our skin and in our mouths. But the biggest Population of microbes that include bacteria as well as viruses and nematodes live in the large intestine. And when you're introducing and presenting to them lots of different types of fiber, they love it. They ferment it into these short chain fatty acids, acetate, propionate, butyrate, all these wonderful funky words. All they do is. Not all they do, but what they do is they, they nourish your, your colon cells. They keep this thick mucin layer between the interior of your digestive tract and the thin gut lining. So there's a bit of a barrier there. It's a nice sort of spongy layer so your barrier isn't being disrupted or there's no excess leakiness that can lead to symptoms and a heightened immune system. It also regulates appetite or helps regulate your appetite appetite by affecting hormones and signaling pathways via the gut brain axis. So we have this highway, indirect and direct by the vagus nerve, this long winding nerve that goes all the way from your digestive tract all the way to your, to your brain. And it signals satiety, it signals that you're satisfied. So you don't have the over consumption behavior that is otherwise lacking if you have a diet that is largely ultra processed as well. So all sort of ties into each other. And that's why I'm a fan of just one more. It sounds sort of counterintuitive, but when you eat just one more fruits, vegetables, nuts and seeds, more fiber, generally you tend to eat less overall.
Dr. Rangan Chatterjee
The science on the benefits of fiber is, you know, pretty convincing. There's a lot of it out there. How do you, with your experience, how do you view the many people around the world who are improving their health on low fiber diets? So the, I guess one of the extreme versions of that might be the so called carnivore diets where people are consuming a lot of animal products and minimal, depending on how people are applying that. Some people are only having meats, for example, some people are having meat and fruit, some people having, you know, meats and vegetables or whatever or you know, you know, it's very hard to say what is the carnival. Different people have a different interpretation of it. But there's no question that some people are experiencing some quite profound health changes. A reduction in autoimmune systems and joint pain and sometimes skin problems by what may seem on the outside is a low fiber diets.
Dr. Rupi Orjula
Yeah, right.
Dr. Rangan Chatterjee
I'm sure you're aware of this. What is your take on that?
Dr. Rupi Orjula
I think that people are absolutely thriving on some of These, I don't want to call them extreme diets. I guess they're extreme in the context of how much they differ from the standard dietary advice that most governments give.
Dr. Rangan Chatterjee
What, what, what does an extreme diet even mean?
Dr. Rupi Orjula
Yeah, exactly. So I think in terms of how I would appropriately describe them, I say that they're quite an outlier from what we would typically recommend to the average individual. Not that an average individual exists. I think absolutely, for certain people, they are thriving on these diets. And you can explain it through a number of different reasons. You know, some people have had their guts ravaged by an excessive use of antibiotics over years. Could be stress, it could be their genetics, that they're just more inclined or more attractive tuned to a diet that is higher in certain types of fats, whether it's coming from polyunsaturated or monounsaturated fatty acids or saturated fatty acids that are coming from mainly meat products, there are certainly people that are absolutely thriving. I would say that those individuals are most likely going to be the outliers. And the reason why I say that with some degree of confidence is because in terms of the long term implications of a carnivore style diet, and I should probably define what those sort sort of mean, that they're essentially very high in animal based products, in the case of carnivore diet, is quite relatively low in fat. A ketogenic diet is a lot higher in certain types of fats and low in protein, low in carbohydrates. So there's different variations of what we're talking about. But essentially the outlier diets that there is certainly a lack of evidence of looking at long term data for these individuals. Short term improvements in inflammation, improvement in symptoms, improvement in subjective measures, measures of health. Brilliant, Wonderful. In terms of what I care about, in terms of the implications on cardiovascular health, on dementia, on metabolic health over time, there isn't as much evidence that I would like to see. For me to confidently recommend that this is a strategy that people could start with, and I'm saying start with really intentionally here. So I think most people, as I, as I mentioned earlier, on an ultra processed diet, the safest gateway onto a dietary shot that works for an individual, I think is to go on something that resembles a Mediterranean way of eating, which is relatively high in plant material, good sources of fats, so animal fats, as well as extra virgin olive oil, for example, and monounsaturated and polyunsaturated fats, and a decent amount of protein that largely comes from plant based Sources. The reason why I'm confident that's a great gateway to start off with is because we have long term evidence on that in terms of cardiometabolic benefits. And all the disease prevention studies that I, you know, I, I've read myself in and around that. Let's say you start that, let's say you do start increasing your fiber, or let's say you start having 30 plants a week, you know, based on some of the studies that we've seen out the American Gut Project, and you don't thrive on that. And actually your symptoms get worse, or you have digestive complaints, or you start having symptoms suggestive of an autoimmune condition. Don't force yourself to go on that just because I've said that. And don't force yourself because that's what the science says. You have to be your own expert. You have to navigate what is a complicated world of nutrition. And I always advise someone to do that if they can, with the guidance of a nutrition specialist or a dietitian who can essentially enable you to decipher what might be going wrong. And for certain people, a low carbohydrate diet, a high fat diet, a carnival diet might be the right option. It might be the right option, but it's certainly the outlier, in my opinion.
Dr. Rangan Chatterjee
Yeah, I really appreciate you going through that because I think, what I think happens sometimes is when we just give generic nutritional advice and we say that the science supports this, it can make some people who are thriving on different diets feel really bad and sometimes angry and sometimes then have a distrust of the information they're getting. And the truth is, I have seen so many patients over the years with autoimmune symptoms who actually seem to dramatically improve them, at least temporarily, when they go on what might be considered a quite extreme diet. And I have seen some patients with going on carnivore thrive, and I get why they want to do it. Yeah, I'm like, if you've had joint pain for 10 years or skin problems and then you change your way of eating and then you suddenly feel, fantastic, man, I get it. If I were you, I understand. Yeah, right. And what I always come back to is always think, what do we not know yet? Right. For all that we do think we know, what do we not know? Because I think we're always learning new things. Like 30 years ago, we barely knew what the gut microbiome was. Now we're all experts on the gut microbiome, right? And it's like, well, hold on a minute. What else do we not know that we may learn about? So I've always been more interested in patient outcomes than scientific studies. I'm like, if that patient's feeling better and I can do their blood tests and their markers are all looking good as well. I'm like, I can see why they're doing it.
Dr. Rupi Orjula
Yeah.
Dr. Rangan Chatterjee
I can't really make a strong case now. It's not that I disagree with increasing fiber. I actually think for most people it's a really good recommendation. But I also just want to recognize that some of us need these more extreme diets to feel good.
Dr. Rupi Orjula
I think it's a really important point that people should ponder on because it really depends on what you're trying to optimize. Right, exactly. I think from the perspective of what we were talking about right at the start, you know, people who can maintain a calorie deficit diet or train, you know, for bodybuilding competitions stuff, those are really highly motivated people. I also think people who thrive on some of these outlier diets also have to be very, very motivated individuals as well. And all power to them.
Dr. Rangan Chatterjee
Can I just say, I think they're really motivated because sometimes they've had horrible health outcomes in the past.
Dr. Rupi Orjula
Exactly.
Dr. Rangan Chatterjee
And they're like, I'm not going back there.
Dr. Rupi Orjula
100. And you know, someone who has experienced that sort of the stick of like trying to change their lifestyle because they're, you know, trying to improve their health and optimize their health, I completely understand that. And that's why you have this motivation as a product of, you know, that, that individual situation. And so where I think it falls down is where someone might see a carnivore advocate talking about this online and be like, great, I'm going to do that. I'm going to lose weight. It's very, very hard to maintain that lifestyle because of our food environment. And it's very easy to unfortunately have a hybrid of like, part carnivore, part just eating what I want, bit of wine at the weekend, bit of ice cream in the evening, and then all of a sudden, gosh, you analyze their diet and it's essentially a standard American diet.
Dr. Rangan Chatterjee
Yeah, that's interesting.
Dr. Rupi Orjula
It's high fat, it's high protein, it's high refined carbohydrate, and it's that toxic milieu that leads to a lot of these metabolic complications. And so I'm all for an individual who has had success on some of these outlier diets to go for it if they can maintain the restriction that it requires, considering our food Environment and the landscape.
Dr. Rangan Chatterjee
Okay, let's go on to three and four. Right. Protein at breakfast.
Dr. Rupi Orjula
Yeah, yeah.
Dr. Rangan Chatterjee
Okay. Why is that important?
Dr. Rupi Orjula
Gosh, I think this is probably one of the areas of nutrition that I've changed my mind on quite a bit. So protein, if you look at the required or the recommended deli amounts every single day is set at 0.8 grams per kilogram of body weight. I used to think that was enough. I've actually changed my opinion on that. More recent protein researchers have suggested that the ideal amount of protein that one should require every single day is 1.2 grams per day, which is 50% more.
Dr. Rangan Chatterjee
Than what the recommendation grams per kilo.
Dr. Rupi Orjula
Per kilogram per day. And it's more if you are over the age of 55 because we tend to assimilate less protein from our diet as a result of our digestive tract. It is more again one point, a little bit more if you are postmenopausal and more if you're breastfeeding as well. The stats demonstrate or the the recommendation is close to 1.6 grams per kilogram of body weight per day, which is a lot higher, double the amount that's recommended. And I think, and this is a hunch, I haven't looked at any statistics on this, but I think people who transition to more plant centric diets with good intentions of increasing fiber and following the science etc may inadvertently be under consuming protein. And that could lead to feelings of fatigue, lack of energy, thinning of hair. Which is why I think a lot of vegans and vegetarians who have gone that way from an omnivore lifestyle revert back to an omnivore lifestyle because they haven't really put the importance on protein that they should have when they transition to a different lifestyle. And I think this is probably one of the missing pieces of the nutrition puzzle for a number of other reasons around proteins. I mean, protein is so important, you know, like it's the molecule of life. It's, you know, the building blocks of not just our muscles. A lot of people think of of protein as, you know, I eat protein that goes to my muscles. 25% of the protein that you consume goes to your muscles. The rest of it goes to bones, enzymes, hormones. It is the structure of so many important biological living things in our body. It's beyond muscle health, even though it is very important for muscle health. And so again, why am I fan of eating protein at breakfast? It can help regulate your appetite levels during the day. It's satiating, it has a higher Thermogenic effect. So a high protein diet promotes an increased body temperature and energy expenditure because your body has to break down protein, which is actually quite a lot harder than breaking down carbohydrates and fat and also reassimilate it in the process of muscle building.
Dr. Rangan Chatterjee
That affects what you said at the start, a calorie deficit.
Dr. Rupi Orjula
Exactly. Yeah. You could see all these things like. So I'm glad we started off with the calorie deficit framing because I think everyone can see these recommendations that are being given to by a lot of people without the sort of explanation of it inadvertently causing a calorie deficit. Is a really interesting study that I think it illustrates this point quite well. It's a relatively small study looking at adolescent Chinese individuals. There are 150 obese individuals and they were randomly assigned to one of two ISO energetic breakfast. So that's calorie controlled breakfast. So that nothing to do with calorie deficit here. Nothing to do with difference in calories. One of them were given, one of the cohorts were given an egg for breakfast or an egg based breakfast and the other one was steamed bread. So you've got something that is high protein and high fat. So there's a limitation of the study there and then something else that is high in carbohydrates. And what they did is they measured their subsequent lunchtime food intake. So again, real world kind of study. And they recorded appetite according to their subjective levels. But then they also looked at their hormone levels as well, they looked at their satiating levels. And what they found is that folks who had the protein at breakfast ate less for lunch, they had lower levels of the hormones that drive hunger at lunchtime. So there was a biological observation that they've seen and they also saw it within the real world behavior of those individuals as well. That's just one of the studies. And just looking at the, the bigger picture of protein when you look at the mechanisms and when you think about, okay, what is rupee suggesting here in terms of how do I improve my weight control, have protein at breakfast, it's really, really important. And if you look at most people's breakfast, what is it?
Dr. Rangan Chatterjee
Carbs, carbs on carbs, sugary cereals, no judgment.
Dr. Rupi Orjula
I used to be like that all the time. Cereals, croissants, what's offered to us in food chains, it's all refined carbohydrates, it's a lot of cereals and there's nothing wrong with having those, but it is at the expense of the protein that we consume.
Dr. Rangan Chatterjee
Yeah, I love that. I mean, look, there's no part of this conversation that's about judgment, right? You're just saying, or one of the ways we can interpret what you just said is that it's not about good or bad, it's just that there's a consequence. Right? If you have a low protein breakfast, it may well be that one of the reasons you're over consuming later throughout the day and therefore not in a calorie deficit and over consuming calories overall is because of that low protein breakfast. So it could be one of those big upstream levers that you turn that naturally mean you're fuller for longer, you eat less, your hormones are different. Do you know what I mean? And so, you know, you said at the start, 0.8 grams per kilo, 1.2 grams per kilo. Again, a lot of people find those things very dry. It's like, well, what do I do with that? Like, am I going to weigh myself and weigh protein? So can you sort of bring that to life for people? What does that actually look like for someone?
Dr. Rupi Orjula
There is a protein calculation in the Doctor's Kitchen app. I just wanted a little plug there. So if people are confused about this, I understand I'm confused about it, or I was confused about it myself. And I think we try to make it very easy for people to visualize exactly what that protein requirement is. So if you think about it from the perspective of, for argument's sake, a 50 kilo individual, prior to the changes in my recommendations or protein content, people would be advised to consume, let's say 40 grams of protein for that person's weight. So broken into three meals, that's around 15 grams of protein. That's a couple of eggs at each meal. I'm not saying have a couple of eggs at every single meal. Lots of different plants have proteins in, as do animal products. Now, the recommendation would be, okay, having 60 grams, that's 20 grams of protein every single meal. And I think it's very important to have protein at every meal because of the impact on your appetite. It means that you're less likely to snack in between meals as well. And it also is again important from the perspective of maintaining your protein intake because we can't store protein. We have stores for glucose, we have stores for fat. Yeah, we don't store protein. You remove it via urine every single day. So you need to maintain your protein consumption every single day. If you don't, the inefficient way in which to maintain your protein requirements that your Body has, is to draw it from muscle. And you don't want that. Your muscle is essentially like your, your pension savings account. You don't want to be drawing from that to do the weekly shop in the same way you don't want to be doing that for a long term financial strategy. So protein intake every single day is super, super important.
Dr. Rangan Chatterjee
Yeah. So you're saying for, for a 50 kilo individual and you're using that for the ease of maths.
Dr. Rupi Orjula
Yeah.
Dr. Rangan Chatterjee
Right. So if you weighed 50 kilos, you're saying the previous recommendation was 0.8 grams of protein per day per kilo of body weight. So that effectively 0.8 50 is 40. So 40 grams of protein and you know, roughly that's 15 grams of protein at every meal. And you're saying the new science and new recommendations are saying that's a little bit low. Let's go to 1.2. So again, for that 50 kilo individual, that 1.2 now becomes 60 kilo grams of protein throughout the day, which instead of 15 grams of each meal, is 20 grams of each meal. And I guess people like Gabrielle Lyon. I think Gabrielle's great and I think her research and what she shows in her book and on her podcasts about, you know, she's, she's, she kind of says she goes a bit higher than that, I think. And she would recommend that everyone starts their day with at least 30 grams.
Dr. Rupi Orjula
Yeah.
Dr. Rangan Chatterjee
Of protein for a variety of different.
Dr. Rupi Orjula
Yeah.
Dr. Rangan Chatterjee
Benefits. And of course, what you need depends on your size as well. Because, you know, you know, I'm six foot seven pretty much. Right. So it stands to reason that I'm going to need more protein than someone who's five foot five.
Dr. Rupi Orjula
Yeah.
Dr. Rangan Chatterjee
Right. Which again, we really need to think about what are your favorite sources of protein? Because protein, again, is like. Okay. People might initially go to things like, well, I know meat is protein, I know fish is protein, and of course they are.
Dr. Rupi Orjula
Yeah.
Dr. Rangan Chatterjee
But what's your list of healthy protein sources for people just on that point?
Dr. Rupi Orjula
Oh, yeah, I agree with Gabrielle. I think the amount of protein that people require if they train so if they exercise, if they do cardiovascular training, for example, is high. It's at like 1.6 grams per kilo of body weight. So if you are that 50 kilo individual, you are getting close to that 30 grams. What she refers to in some of those studies from protein researchers is the effect on something called muscle protein synthesis, which is essentially muscle building and muscular health. Not necessarily hypertrophy, so not necessarily growth, but certainly the health of muscle. And I think that stands to reason. The 1.2 grams is the minimum amount of protein someone requires to ensure non protein adequacy. There is controversy around that as well. You find some other researchers saying, no, it's 0.8 grams.
Dr. Rangan Chatterjee
Yeah.
Dr. Rupi Orjula
Per kilo. That's what it should be. So I agree. I think the amount that she recommends is more in line. They tend to go a little bit higher. And I think the reason why I tend not to personally is because in a real world scenario, if we encourage people to eat that higher level of.
Dr. Rangan Chatterjee
Protein, what comes along with it, comes along with it.
Dr. Rupi Orjula
And it tends to be a little bit more of the fats, a little bit more in terms of the energy density. And then it becomes into that, that odd world of over consuming in general. And unless you're regimented, it can be quite difficult.
Dr. Rangan Chatterjee
Yeah. For someone like me. Right. These recommendations have been interesting because I've been observing them. I've had Gabrielle on my show twice. I'm six foot seven. Right. I'm pretty lean, but because of my height I'm still almost 100 kilos. Right. So if you then apply these new protein guidelines through the lens of someone who's 100 kilos. And of course 100 makes the maths really easy. Right?
Dr. Rupi Orjula
Yeah.
Dr. Rangan Chatterjee
Well, 1.2 grams per kilo per day is 120 grams of protein. Right. Which means I would have to 30 grams four times. That's one way of doing it. Or 40 grams of protein at each meal, which is quite a lot. Right. You know, it's not that easy. You would have to probably eat meat and fish regularly to actually try and do that in an easy way.
Dr. Rupi Orjula
Yeah.
Dr. Rangan Chatterjee
Right. And then if you go to 1.6 grams per kilo per day, which I know some people are recommending and I understand why they're doing that based on that research. I really do. I'm like, wow, that's 160 grams of protein. That is a huge amount of protein for, you know. Yes. I'm tall, but I've, I've still got a kind of similar sized mouth. Like, I don't know, I haven't done a test, but you know what I mean? It's a lot. It's a lot actually consume. And you know, I'm studying this research. I keep looking at it, I keep tracking things in my own body because of course I want to maintain my muscle mass as I get older. But it's interesting, isn't it? It is, yeah.
Dr. Rupi Orjula
And I think your example really does illustrate the issue and the, the shortfalls I think people might find themselves in because if you start following blindly the recommendations of 1.6 or even 2 grams, particularly if you're training you can over consume, it's very, very easy and just generally it's very, very hard to do that because what you're describing there, I mean, people always use chicken breasts as the example, so I'll, I'll use that. But there is protein obviously in lots of other products. But 100 grams of chicken breast contains anywhere between 25 and 30 grams of protein. So you would have to essentially consume one and a half chicken breasts every meal. If you're eating three meals every single day, the equivalent of chicken breast in the plant kingdom would be something like tempeh or tofu. Tempeh has around 25 grams of protein per 100 grams. But obviously there are differences. Tempeh is probably one of the best sources of plump based protein. It's a natural fermented product. The fermentation essentially allows a lot more of the proteins to be absorbable. Has all nine essential amino acids, although it has the less leucine, which is the, the muscle building amino acid. So you have to be really conscious, particularly if you're 100% plant based, to ensure that you're getting lots of different types of proteins into your diet. From nuts and seeds. I know lentils and pulses in general tend to get grouped into the high protein category. When you look at the nutritional value of chickpeas and beans, it's actually quite low. It's around 8 to 9 grams of protein per 100 grams. So if you're getting all of your protein largely from whole grains and pulses, for you, you'd have to be consuming a couple of cans of beans every single time you eat. And that's a lot, it's a lot of fiber, it's a lot of strain on your digestive system.
Dr. Rangan Chatterjee
Yeah.
Dr. Rupi Orjula
And this is where I think people will, will have to move into more of the supplemental realm. So supplements of soy based protein or pea protein, which have all sorts of issues around those as well in terms of ultra processing and the additive ingredients.
Dr. Rangan Chatterjee
Do you? I know it depends on the quality of the supplement you're consuming and I know your approach is a food first approach, but do you think there is a valuable role for protein powders for some people?
Dr. Rupi Orjula
Absolutely, yeah, I think so. From my, my new perspective on protein, just because of the issues surrounding getting your requirements from whole foods alone, I think supplemental protein from a good clean source is something that people should be leaning more into because I guess going back to our ultimate strategy here. So we're looking for a goal which is long term health. And part of that is quite unnatural. We're not naturally born to live this long into our 80s and 90s. If you look at the, the Hadzo, the Maasai, the average age is very, very low. Evolution has guided us to procreate and thereafter procreation. It just reminds only care about us. It is ruthless in its design essentially.
Dr. Rangan Chatterjee
So from that can we take then your perspective is the reason we're having to perhaps do some things that might feel artificial through an evolutionary lens, like take a protein powder and you know, we could do a whole two hour podcast just on this topic alone. Right. But just very simplistically is because actually we're living in a new world now. We might have different goals and actually evolution has designed us for a different purpose. So if we want to live to 100 in good health, we might need to do some things that people didn't need to do before.
Dr. Rupi Orjula
Totally. That is a really good point. And I think people need to lean into some of perhaps of the unnatural elements of nutrition and also lifestyle as well. Trying to purposely put ourselves into discomfort, for example, trying to purposely move our bodies in ways that perhaps are not natural to the way we've been designed in terms of we're bipedal organisms, we walk over long periods, but we need to do muscle bearing exercises, we need to train certain areas of our anatomy if we are in the camp of wanting to thrive in our later years. So there are certain things that we will do naturally. And part of that is the nutritional strategy that amps up protein, particularly in your later years.
Dr. Rangan Chatterjee
Yeah, well, we'll maybe touch base. We'll probably go deeper on that in the next podcast we do together for sure. The boost of this one. Okay, so you have these four food principles. We've done unprocess your diets, we've done fiber. We've done protein at breakfast. Before we move on to an early dinner, can you just briefly explain why specifically at breakfast at breakfast?
Dr. Rupi Orjula
I think there's a number of reasons why I say specifically at breakfast. One, we tend to rely on ultra processed or refined carbohydrates. And it's an opportunity that we miss at the start of the day to get our total protein requirements for our 24 hours. That's probably number one. The second thing is the impact on appetite regulation. So if you have a cereal, the likelihood is that you're going to feel hungry. Because you haven't satisfied your body's requirements for protein mid morning. If you have protein in the morning, like was eloquently described in that study that I described from the Chinese adolescents, you're going to be less hungry. And in a food environment where food is abundant, particularly hyper palatable food, you're going to have a lot more self control to not over consume said calories. So that's why I think protein at breakfast is a great strategy to ensure that you're not over consuming and improve weight maintenance.
Dr. Rangan Chatterjee
Yeah. And one of the things I've often said to patients to help them with this is eat dinner for breakfast.
Dr. Rupi Orjula
Yeah, I do that all the time.
Dr. Rangan Chatterjee
Yeah. I mean it's a very simple way because we've got this idea of what a breakfast food is.
Dr. Rupi Orjula
Yeah.
Dr. Rangan Chatterjee
Actually it wasn't always. It's kind of come relatively recently what a breakfast food is from cereal companies. Right. And when you really dive into where this all came from and the marketing involved, it's actually, you know what, who says that these are breakfast foods?
Dr. Rupi Orjula
Yeah.
Dr. Rangan Chatterjee
And so I think eating dinner for breakfast in this modern context can be a very useful concept for people to apply.
Dr. Rupi Orjula
There's that beautiful photography set of photos from, I think it's the New York Times where they looked at what kids eat for breakfast around the world. It was done about 10 years ago. I come back to that all the time. You know what you, what you see in the UK and the US are just these refined sugary cereals. And you definitely see that in certain other countries like Latin America and particularly in Brazil. But then you look at like Asia and it's just like a thali. You know, like Sri Lanka was like a thali with some, some. I mean that's the kind of stuff that I would eat for dinner.
Dr. Rangan Chatterjee
We used to go to India for six weeks every other summer. I can still remember my cousins before they went to school, they'd have these big plates, there was like vegetable curries, there was dal, there was sometimes meats, there was like rice. It was like a proper meal.
Dr. Rupi Orjula
Yeah.
Dr. Rangan Chatterjee
And then I noticed after about 10 years you going back and like there's all these adverts from the cereal companies. Like people are starting to change their diets to the quick and easy western breakfast. And I'm like, actually this is happening everywhere or it has the potential to happen everywhere, but naturally people were eating different things. Let's get to number four before we run out of time.
Dr. Rupi Orjula
Yeah.
Dr. Rangan Chatterjee
Hey, I could talk to you for hours. Let's get to this early dinner.
Dr. Rupi Orjula
Yeah. So I think eating an early dinner is a really simple strategy for ensuring that you are not going to over consume. And I know I've just seen this through the lens of calories in, but bear with me for this. So one of the reasons that people cite for why an early dinner works in terms of better regulation of weight is because your body is better equipped to deal with nutrients from food during daylight hours. And eating an earlier dinner essentially aligns with your circadian rhythm, which is the rough 24 hour cycle by which all biological organisms operate on. And so it's promoting efficient use of those, the energy and the nutrients. Late night eating leads to this inefficiency of metabolism and a higher likelihood of storing excess energy as fat. And there are some beautiful studies actually looking at this. So there was a randomized crossover trial and from 2020 of of a late dinner versus a routine dinner. And their routine dinner was at 6pm I don't know how many routine dinners are at 6pm I'd love to have an early dinner at 6pm but I definitely don't right now. And their late dinner was at 10pm so kind of like mimicking a lot of what people might eat at right at 10pm, particularly if you come back from work or whatever. And then they had a fixed sleeping period between 11 and 7. This was done in a laboratory setting. So there are some limitations there that 20 healthy volunteers, and like I said, they were crossed over. So this is something that they observed in both arms. So when they were given the late dinner at 10pm, what they observed was that they tended to have higher blood sugar levels, so high glucose levels. They had higher fats in the blood as well, something called triglycerides. And they had lower free fatty acids and dietary fatty acid oxidation. What that means is that they were using less of their fat for burning, so they burnt less fat. And what they recommended, or what they suggested was that over time, if you are consistently eating in a late dietary pattern that is inconsistent with our circadian rhythms, it could put you at higher risk for type 2 diabetes. So that's just one way in which just simply changing when you eat can have a drastic impact on where you store fat and also the risks for type 2 diabetes as well.
Dr. Rangan Chatterjee
Once you start looking at nutrition through the lens of our circadian biology, then you have another factor to consider. Right? And I'm pretty sure there were these Spanish studies from a few years ago where they showed that people who had the same amount of calories, right, and this really Speaks to where we started this conversation. But if the majority of those calories were eaten in the first half of the day, compared to the second half of the day, people lost more weight. So the same amount of calories, but the body processes things differently at different parts of the day. It was, it was quite eye opening that for me to go, wow, there are all of these kind of complexities and I think one of the problems with this research on early dinners, because I totally agree with you, I think it is much better if you can. Now I want to say a couple of things. One is I recognize that some people who do, let's say time restricted eating and they go, right, well I'm going to eat all of my food within an eight hour window and for those 16 hours in a 24 hour period, I'm not going to eat. And yes, there are some good studies which show for some people that can be really, really helpful in the modern world because of work patterns and because of the fact that sometimes the way we connect with our family is at 8:30pm or whatever and after work you get back you down tools, you sit down and have that meal. So I think some people will actually find this early dinner recommendation quite difficult to apply. And I think we both recognize that. I think it's also important to say that actually you can tweak other levers. You don't have to do everything. You probably can't do everything. And some people, for example, will say that when I eat lunch, when I eat breakfast, breaking the fast, or let's put it another way, when I eat my first meal at 12pm and my last meal at 8pm I thrive. And so you go, yeah, actually maybe they found what's going to work for them in the context of their life.
Dr. Rupi Orjula
Exactly.
Dr. Rangan Chatterjee
I do believe that most of the research supports this early dinner if you can. And I think just again, trying to connect nutrition with other aspects of our health, we kind of know for so many people that if you eat within two to three hours of your bedtime, if you measure and you track your sleep, you will see often a difference in sleep quality. I've seen this with my sleep trackers over the years. Like if I eat near bedtime, I can still be in bed for the same amount of time, but the quality of my sleep isn't as good. My heart rate is different, my heart rate variability in the morning, that marker of how well my body is dealing with stress is different. So I know for me and it doesn't mean I can always stick to it. I know for me, an earlier dinner is worth its weight in gold for multiple different reasons. And Rupi, I've also discovered, for me, and I'm not saying this works for everyone, but if you're traveling for work, let's say, and you're out of your rhythm. What I used to do is if I got back late, ah, now that I'm home, so what a nice meal. Now I've actually liked. For me, sometimes I'm better off skipping my evening meal if it's gonna be late and going to bed a bit hungry. Again, I'm not saying everyone has to do this. I'm just saying on a personal level, I found sometimes for me, I do better, my sleep's better, I wake up with a beautiful hunger, like a real hunger, and my heart rate's down. All things I'm like, yeah, I think sometimes I just need to resist that late meal. And I think it all works through the lens of my circadian biology, basically.
Dr. Rupi Orjula
Totally. Yeah. And I think to that point, you know, we need to reframe this cultural phenomenon of it not being acceptable to be hungry anymore. We have evolved to deal with hunger and to be hungry as well. There are lots of things that occur when we are hungry. And I get it, there are lots of people for whom this is inappropriate and we have to be respectful of that. But for a lot of us who have access to food 24 7, these are things that we actually do need to lean into. And there are so many, you know, mechanisms that we could describe is in line with our circadian biology. Essentially, when you have an extended fasting period, you have greater, what's called lipolysis, which is essentially fat burning. You have better insulin responses overall. I think, again, like, just using a very, very simplistic perspective on this, tend to eat less. Yeah, you just, you know, if you're a bit more regimented and you're like, I'm not going to eat after 7pm, that means that you're less likely to snack out of boredom or in front of the telly or grab that cookie. If you put some guide rails around your dietary strategies every 24 hours, then you naturally lean into what is, you know, deemed fasting. Yeah.
Dr. Rangan Chatterjee
And I think it's really worth. I think it's really worth emphasizing that point in the modern food environment, if you do not have some form of guardrail, you may end up struggling. Right. And so one of the reasons, not the only reason, but as you say, one of the reasons, like, you know, having a rule that, you know, I only eat within 10 hours. Right. I stop eating at 8pm, whatever it might be. I only have, I have a low carb diet or I have a low fat or whatever it might be some of the time. The reason it works is because you found a guardrail that works for you in the context of this modern food environment.
Dr. Rupi Orjula
Yeah.
Dr. Rangan Chatterjee
And so I actually think, yeah, we may not have needed that 200 years ago. Maybe your grandparents didn't need a guardrail. Right. But you're living in a different world now. Our food environment is naturally leading us to unfortunately a poor state of health. So we need to find some principles that apply for us. I think the other point around that is that one of the things we haven't really addressed is that we don't only eat an excess of calories for physical hunger. We also eat for emotional hunger. You know, if you've had a big meal at 7pm and you're still craving ice cream in front of the sofa at 9pm, yeah. You may not be physically hungry, you may be lonely, you may be stressed, you may have some emotional discomfort that you're trying to appease with food. And that's a topic for another conversation. That's a topic that I talk about a lot on this show because I'm so passionate about it. But Rupi, I love what you do, man. Honestly. I think you're clearly very passionate about helping people, about making food enjoyable and fun. I think those four principles are going to be really helpful. Again, just emphasize what you mean. People don't have to do all four, do they?
Dr. Rupi Orjula
No, no, I, and I think I want to emphasize what you were just talking about in terms of non nutritional strategies. I've been pretty hard line and data driven and clinical on this podcast around, you know, everything can be seen through the lens of calorie deficit and yes, absolutely you can, but you can also choose to look at it through the changes, changes that are enacted by your biology via your hormones. There's so much in nutrition that cannot be explained and I think that we need to just be mindful of, of that. I've tried to give the sort of like the, the real hardline scientific perspective on it, but I think your emotional state, the speed at which you eat.
Dr. Rangan Chatterjee
Yeah, all these things, sleep that you've.
Dr. Rupi Orjula
Had, the distractions that you, you endure, like all of these different, and the exposures that we talked about earlier in terms of obesity, I think these are all coalescing to that results in people having issues with weight control.
Dr. Rangan Chatterjee
Yeah.
Dr. Rupi Orjula
You know, so I, I, I I've tried to just give some very, very simple tips for folks. And if you could just do one or two, or if you can do all four, great.
Dr. Rangan Chatterjee
And not only that, do them and then experiment.
Dr. Rupi Orjula
Exactly.
Dr. Rangan Chatterjee
And pay attention. Is this working for you? Which aspect of it is working? Which aspect isn't?
Dr. Rupi Orjula
Absolutely.
Dr. Rangan Chatterjee
And then you can start to tweak it.
Dr. Rupi Orjula
Yeah.
Dr. Rangan Chatterjee
All right, Rupi, a few final questions which have just come to my mind. Okay, you ready? I've got a slight cheeky look in my face, so. Okay, so you've got several books out at the moment. I know the new one's coming in March. Right. So we'll definitely get you back on to talk about that.
Dr. Rupi Orjula
Thanks.
Dr. Rangan Chatterjee
Right, but out of your current books that exist. Okay, they're all great. If you're going to point people to one of them to start their Doctor's Kitchen journey, which one would it be?
Dr. Rupi Orjula
Oh, gosh, that's a great question. I would say probably the. One of the most impactful ones is Eat to Be Illness, because I go into sort of the different areas of health goals and explain the nuance and science, and actually the final chapter just brings it all together. And like, when you eat for nourishing your body, your body knows what to do. So regardless of the symptoms, regardless of the affliction you might have, that book really just puts the priority on providing your body with the right tools and nutrients that you require to thrive. And I think, yeah, ETB illness. And obviously the Doctor's Kitchen app will. Will help people with that.
Dr. Rangan Chatterjee
Yeah. Okay, great. We'll put links to all those things, including the app in the show notes. Next question. My daughter, who beat you at netball last time you came to our house, said, when are you coming back for a rematch?
Dr. Rupi Orjula
We'll do it on the next podcast.
Dr. Rangan Chatterjee
Okay. All right, I'll let her know. Okay. Third question. What has becoming a new father done to your eating habits? Oh, well, first of all, how old is your.
Dr. Rupi Orjula
Eight weeks.
Dr. Rangan Chatterjee
Eight weeks. Okay. So congratulations.
Dr. Rupi Orjula
Thank you, man.
Dr. Rangan Chatterjee
Fantastic. Sake. I know you're going to be a wonderful dad.
Dr. Rupi Orjula
Yes. I think it has really stressed my eating habits, but after reading your book, you know, I. And. And doing some work that I've done this year, I'm really reframing the story that I tell myself about the stresses on my eating habits. And actually, I'm rising to this new challenge that gives me a real insight into what parents around the world have to deal with. I've sort of looked at nutrition through a very sort of simplistic way. Of like, oh, just bung everything in a, in a, in the oven and it's fine, it'll do your cooking for you or just add the beans to this and all that kind of stuff. And actually I've got to learn how to cook one handed. I've got to learn how to ensure that, you know, I'm, I'm doing things rapidly if I want to maintain a good eating habit. So I'm really rising to this challenge of parenthood and maintaining my nutrition.
Dr. Rangan Chatterjee
Love it. Welcome to the new world, man.
Dr. Rupi Orjula
Thanks, man.
Dr. Rangan Chatterjee
Okay, you've given super practical advice in this conversation as always, Rupi, to finish off then. So let's put it like this. If someone is listening to this conversation and they are saying, okay, Rupi, okay, you've inspired me, I want to start improving my life. What are some of your three or four top tips that you would leave them with to get started? They can be nutrition based if you want. It can be non nutrition based. But what comes to mind, three or four tips that people can start applying straight away?
Dr. Rupi Orjula
Well, with my nutrition hat on, I would say try and master one recipe. So choose a recipe that you absolutely love that is nutritionally balanced, it's got enough protein in. I think that's a really important strategy for folks because when you master a recipe, when I say master, you want to master a recipe that you can make from store cupboard ingredients, frozen ingredients, ingredients, things that you can do with your eyes closed because it becomes so habitual and that is antithetical to, you know, getting variety in your diet every single week. But I think we need to rise to the level of our challenges. And that as a strategy for me has been really, really useful. So master recipe, I would get an idea of your. I know this again, I'm harboring about nutrition, but get an idea of your protein requirement. Like I said, there's plenty of protein calculators out there online. We've got one on the Doctor's Kitchen app. When you start understanding your protein requirements, things kind of fall into place. And not just your appetite, but also, you know, why you might be feeling a bit more fatigued or you don't have energy or why you find like you're snacking between meals and stuff. From a nutritional perspective, I get there are loads of other reasons as to why that might be happening. And I say, look, the, the third thing, and it speaks to your, your first book is really have an understanding of your, your emotional requirements, your emotional needs, your exercise needs, your relationships. You know, these are all just as important to the health and well being conversation that I know you're putting a spotlight on, but I don't think we put enough emphasis on in medicine in general. And I think that for me has been really groundbreaking because I think I've always tried to explain my personal experience with reversing my cardiovascular condition that I spoke to you about on the, on the last podcast that we had through the lens of nutrition and you know, what did I do to my microbiota? What nutrients was I lacking? You know, how did I change my dietary patterns to remove, remove refined covers? That's all. I'm sure that had a huge impact. But also the stresses of me being a junior doctor, the threshold that I could withstand before succumbing to a condition, the relationships that I was that I had at the time or the existing relationships that I had with my family, these are all things that would have absolutely had an impact on me recovering. So I think that's really, really important. Important. So really lean into what your emotional needs are, your relationship needs are.
Dr. Rangan Chatterjee
Yeah, love it.
Dr. Rupi Orjula
And your stresses.
Dr. Rangan Chatterjee
Do we get a fourth tip?
Dr. Rupi Orjula
Can't think of one right now, mate. I'm on like four hours sleep.
Dr. Rangan Chatterjee
Good enough for you said right? So I hope you start sleeping soon. Well done on becoming a father. Good luck with everything mate and thanks for coming back on the show.
Dr. Rupi Orjula
Appreciate you bro. I appreciate you.
Dr. Rangan Chatterjee
Really hope you enjoyed that conversation. Do think about one thing that you can take away and apply into your own life. And also have a think about one thing from this conversation that you can teach to somebody else. Remember, when you teach someone, it not only helps them, it also helps you learn and retain the information. Now, before you go, just wanted to let you know about Friday Fire Bits, my free weekly email containing five simple ideas to improve your health and happiness. In that email, I share exclusive insights that I do not share anywhere else, including health advice, how to manage your time better, interesting articles or videos that I've been consuming, and quotes that have caused me to stop and reflect. And I have to say, in a world of endless emails, it really is delightful. That many. If you tell me it is one of the only weekly emails that you actively look forward to receiving. So if that sounds like something you would like to receive each and every Friday, you can sign up for free@drchatterjee.com Friday 5 Now if you are new to my podcast, you may be interested to know that I have written five books that have been bestsellers all over the world covering all kinds of different, different topics. Happiness, food, stress, sleep, behavior change and movement, weight loss, and so much more. So please do take a moment to check them out. They are all available as paperbacks, ebooks, and as audiobooks, which I am narrating. If you enjoyed today's episode, it is always appreciated if you can take a moment to share the podcast with your friends and family or leave a review on Apple Podcasts. Thank you so much for listening. Have a wonderful week. And please note that if you want to listen to this show without any adverts at all, that option is now available for a small monthly fee on Apple and on Android. All you have to do is click the link in the Episode Notes in your podcast app. And always remember, you are the architect of your own health. Making lifestyle changes is always worth it, because when you feel better, you live more.
Podcast Summary: How To Burn Fat, The 4 Food Rules That Will Transform Your Health & The Truth About Calories with Dr. Rupan Aujla #520
Feel Better, Live More with Dr. Rangan Chatterjee features an insightful conversation between Dr. Rangan Chatterjee and his friend Dr. Rupan Aujla, a renowned nutritionist and founder of the Doctor's Kitchen. Released on February 5, 2025, this episode delves deep into the science of fat burning, debunking calorie myths, and introducing four transformative food principles.
Dr. Chatterjee opens the discussion by highlighting the paradox of nutrition: an essential aspect of health that has become increasingly complicated. Dr. Rupan Aujla emphasizes that multiple factors contribute to rising obesity and metabolic diseases, including flawed dietary guidelines, influence of food companies, environmental pollutants, and economic constraints.
Notable Quote:
"There is no one single diet for everyone, there is no simple answer to the reasons as to why we are seeing rises in obesity, rises in metabolic disease and rises in illness in general." ([00:03:15])
A significant portion of the conversation centers around the traditional notion of calorie deficit as the primary driver for weight loss. While acknowledging that a calorie deficit does lead to fat loss, Dr. Aujla critiques its practicality and sustainability in real-world settings.
Key Points:
Notable Quote:
"I'm not recommending calorie deficit diets. It sounds very counterintuitive, but I don't recommend it." ([00:11:47])
To navigate the complex food landscape, Dr. Aujla introduces four foundational eating principles that naturally promote a mild calorie deficit without the need for rigorous calorie counting:
Focusing on whole, single-ingredient foods reduces the intake of additives and preservatives prevalent in ultra-processed foods, which are linked to overconsumption and poor health outcomes.
Notable Quote:
"If it comes from a packet, just think twice. Like you said, read the back of the ingredient label." ([00:54:37])
Incorporating more fiber-rich foods like fruits, vegetables, nuts, and seeds enhances satiety, stabilizes blood sugar levels, and supports gut health, all of which contribute to natural calorie reduction.
Notable Quote:
"Just eat one more fruit, vegetable, nut, or seed. Just one more." ([83:32])
Starting the day with a protein-rich meal helps regulate appetite hormones, reduces hunger throughout the day, and prevents overeating. Dr. Aujla discusses updated protein requirements, advocating for higher intake than previously recommended.
Notable Quote:
"Protein intake every single day is super, super important." ([104:31])
Aligning meal times with the body's circadian rhythm—having dinner earlier in the evening—can improve metabolic efficiency, reduce blood sugar spikes, and promote fat burning.
Notable Quote:
"Eating an early dinner aligns with your circadian rhythm, promoting efficient use of energy and nutrients." ([86:02])
Dr. Aujla elaborates on how ultra-processed foods, despite sometimes appearing healthy, lead to overconsumption due to their hyper-palatable nature and disruption of the natural food matrix. This overconsumption undermines weight loss efforts and contributes to various health issues.
Notable Quote:
"Ultra-processed foods displace healthy foods from our diet. The matrix degradation of the food leads to a lack of ingredients for our microbiome." ([56:03])
The discussion shifts to the importance of adequate protein consumption. Dr. Aujla highlights that current recommendations may be insufficient, especially for individuals over 55 or those engaged in regular physical activity. He advocates for personalized protein intake, emphasizing its role beyond muscle maintenance, including hormone production and metabolic functions.
Notable Quote:
"Protein is the molecule of life. It's the building blocks of not just our muscles." ([100:06])
Beyond diet, Dr. Chatterjee and Dr. Aujla explore how factors like sleep quality significantly impact eating behaviors and metabolic health. Poor sleep can lead to increased calorie intake and reduced willpower, making weight management more challenging.
Notable Quote:
"If you sleep five hours a night compared to eight hours, you eat, on average, 22% more calories the following day." ([49:07])
To empower listeners, both doctors emphasize actionable steps:
Final Tips:
"Try and master one recipe that you absolutely love that is nutritionally balanced." ([130:59])
"Lean into what your emotional needs are, your relationship needs are, and your stresses." ([127:50])
Dr. Aujla briefly mentions the Doctor's Kitchen app, a comprehensive tool offering over 2,000 recipes tailored to various health goals. He encourages listeners to adopt the four food principles and experiment to find what works best for their individual lifestyles.
Notable Quote:
"Our microbial community [...] keeps this thick mucin layer, regulating appetite and preventing overconsumption." ([84:55])
This episode serves as a comprehensive guide for listeners seeking to improve their health through informed, sustainable nutritional practices. By integrating scientific insights with practical advice, Dr. Chatterjee and Dr. Aujla offer a roadmap to navigating the often overwhelming world of nutrition.