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And we all have different metabolisms and we all break down the medication differently. And what I blow through in four hours might not be what you blow through in four hours. So actually, you and I could be on the exact same dose and we could metabolize our hormones differently and we get different numbers when tested at the peak. Welcome to the Thyroid Fixer podcast, where we dive deep into the world of thyroid and hormones. Especially for you ladies navigating perimenopause and menopause, and really for anyone struggling with hypothyroidism. I'm your host, Dr. Amy, thyroid and hormone specialist and CEO of a global telemedicine practice where we prescribe the right thyroid treatment and bioidentical hormones to all 50 states and most of Canada, helping you become that badass human that you're meant to be. So if you're battling weight gain and hair loss, you can't lose weight no matter what you do. Your energy levels are plummeting and your libido left town that you're in the right place and you have found your tribe. Remember, I want you to embrace every inch of that badass woman that you truly are. So if you're ready to dive in and fix things, let's get started. If you care about your hormones, metabolism and longevity, you have to care about your muscle. Muscle is your body's most protective organ. It stabilizes hormones, burns fat, and keeps you strong and independent as you age. Here's the problem. We start losing our muscle in our 30s and that loss accelerates during perimenopause, menopause, or after injury. That's why I love Suji. It's a complete wearable that helps you strengthen and activate muscles using just 20% of the weight you would normally lift. Get that 20% of the weight that you would normally lift. It uses smart, targeted compression to mimic the effects of high intensity training so you can build strength, relieve joint pain and protect your metabolism in minutes a day. Minutes. It is drug free. Obviously it's a wearable. It's not a takeable. Backed by science and trusted by professional athletes and physical therapists. So learn more or try it risk free for 30 days at trysui.com that's T-R-Y-S U-J-I.com use my code, Dr. Amy D R A M I E. And that will save you money because you want to build lasting strength with less strain. You have questions about your thyroid, about your labs, what they mean. What about your hormones? What about insulin? Why are you gaining weight? Why are you so tired? Why are you losing your hair? Why won't my doctor listen to me? Why won't my doctor test these things, all of these questions that you have running around in your brain and you know that if you just had the answers that that could push you over the edge into optimal health, that you could be that badass human that you are meant to be. Well, I got you covered there because I am going live every single week in the just fix your thyroid Facebook group. That is my Facebook group, a beautiful community just filled with amazing people. Where I am in there, my nurse practitioners are in there, my health coaches are in there. There are patients in there that have been with me for so long, they're experts in their own right, and they answered just the way that I would. So we have you completely covered in this group. So not only can you post your question every single day, every single hour, if you want, you can mark your calendars for our weekly live Q and A sessions. We where you get to ask your question to me, and I'm going to answer it live on air. And not only that, we are doing product giveaways. We're doing working with our team giveaways. You're going to want to be in there and actually be live on that call. If you're at work, go into the closet, Just shut the door. Take minutes for yourself, Take a half an hour for yourself. Take an hour for yourself so that you can get the information that you need to to bring yourself into optimization land where you're not looking sideways at a brownie and gaining weight at the same time, where you can feel amazing every single day. Because that's my goal for you. You know that I love, love, love to answer your questions and this is the place where you can get them answered live. This is such a huge question that I get all the time, especially in the just fix your thyroid Facebook group. And I feel like I'm answering this over and over again. So it kind of works to do a podcast so that you all have all of the information. You can go back and listen to this. I'm going to keep it nice and short and sweet, but it's going to educate you and affirm exactly when you should draw your thyroid labs if you are taking thyroid medication. Now, we're going to break this all down. First and foremost, there are practitioners out there. And this is where the confusion is coming in with so many of you that are telling you to test your thyroid labs. All of them, by the way, TSH free T4, free T3, reverse C3, and the two antibodies to test those labs three to four hours after taking your thyroid medication. That would be considered testing at the peak. We're going to break down why you really shouldn't do this and how it can be actually detrimental to your treatment protocol and to your health and the symptoms that you ultimately want to get rid of. First of all, let's start with the science. There is nowhere. And I went to Functional Medicine University. I got my doctoral degree from Maryland University, which was very deep in the teaching of ifm, but which is the Institute for Functional Medicine. I've trained and mentored under the best of the best. I've had multiple conversations with hormone experts about the thyroid. And there is nowhere in ifm, fmu, any kind of functional medicine training, there's no functional optimal range for testing your thyroid values. So your free T3, reverse T3, those two most important ones for testing those after you take your thyroid medication. Now, hold on. I am going to break down each and every aspect of this, but I want to start there so that you know that any practitioner out there that's saying to test at the peak, they're pulling the numbers out of their ass. There's no document or functional range anywhere that is being taught in any of these schools that focus on functional medicine. There's nowhere that says, hey, this is where you should be if you test your thyroid at the peak, meaning three to four hours after you take your thyroid medication. Now, I'm going to break down why. Why isn't there an optimal lab value sheet somewhere that's given as a handout to Functional Medicine students, showing this is where you want people in their free T3 range. If you test at your peak, it doesn't exist. And the reason why it doesn't exist is because that number is going to vary widely based on the medication that you're taking. Okay, so here's the scenario. We'll start with the scenario. You are on 10 micrograms of lyothyrenine or T3 twice a day. And I'll give you a bunch of different scenarios here. You're on 10 micrograms twice a day. You take that 10 micrograms in the morning, and then you go to get your blood tested. And with that, we are checking your free T3amongst many other Thyroid Labs, but specifically the free T3, because we want to ultimately see how much of that active thyroid hormone is actually in your body. Now, remember, you just took your T3 medication. 10 micrograms worth, and then you go two to three to four hours later and get your blood drawn. Now what do we know about T3? We know that it peaks at around the 4 hour mark. So its entire journey in your body is eight hours long. Ish. Now here's where the confusion comes in. There still is some T3 left over. There still is some T3 circulating in your body, doing its job at the cellular level even after those eight hours pass. That's actually why the short half life of T3 is why we tell you to dose it twice a day. So that way you keep kind of a steady flow going. Now it doesn't have to be okay, at exactly the 8 hour mark, I need to take my second dose of T3 because it's gone. It's. It's not gone out of your system. It's being utilized by your body, by your cells, by your metabolism, by your brain, by your heart, by all of those tissues, and every single cell in your body that has a receptor site on it for T3, it's being utilized in that time. So then we give you that second dose maybe eight hours, maybe six hours, maybe 10 hours after your first dose. Doesn't have to be exactly 12 because for many people taking that second dose too late in the day will affect sleep. I take mine at 6am When I wake up and I take it again at 2pm so yeah, I guess I do go about eight hours when it's finally fading away and I give myself another dose. But if we test you at the peak going back to the scenario and you are on 10 micrograms, your free T3, or when we draw your blood to test that free T3 is going to be picking up your, some of that medication that is still in your bloodstream, right? You took it, it got broken down, dispersed into your bloodstream to be delivered to the cells that need it, but it's still in your bloodstream. So we test you and let's just hypothetically say, and I've seen enough of these numbers and I've experimented on myself just for shits and giggles, let's just say that your number at 10 micrograms, and this is very, very common, comes back at a 6. Now just a reminder of the free T3 standard lab value range on LabCorp goes up to about a 4.4. The optimal range that is out there, that is being taught, that is being given as a handout that we do repeat over and over and over again and use in clinical practice, is that your free T3 should be in the upper quadrant of the range or slightly over when taken 18 to 24 hours after your last dose of T3. So if you take your 10 micrograms of T3 and you test and you come back at a six for your free T3, you would look and go, well, Dr. Amy says that free T3 should be in the upper quadrant of the range or over. Okay, so I'm slightly over. But wait, wait, wait, wait, wait. It's 18 to 24 hours after you take your medication. So if you just took your medication, you got a six. What's it actually going to be 18 to 24 hours from now? Like, that's probably going to be like a 2.3, which is means you're highly undermedicated and you don't have enough T3 in your system. Now, we're not even talking about the reverse T3 yet. I'm just on the free T3 because that's really what gets reflected and that's really what changes. When you take your medication and then test, it's going to vary wildly, wildly. So now let's take another scenario. Me. I know because I've done it. I take 75 micrograms twice a day with the help of microdosing GLPs, I've actually reduced it to now I'm 75 and 50. Okay, so that's 75 in the morning, which has been the standard for decades for me. I once tested it again just to see, just so I could do this episode and pass it on to you. And my free T3 came back at a 16. Because I take 75 micrograms, it's not 10, it's not 25, it's not 40, it's 75 micrograms. So when I took that, it entered my bloodstream and then I got tested at the peak and oh, look, my free T3 is screaming high. Conventional medicine would literally have a heart attack and drop dead right in front of me. Any conventional doctor that, that would see that, they would admit me to the hospital, they would hook me up to an EKG, and needless to say, they would take away my T3. Now, a functional doctor who is testing at the peak would say, you're over medicated. We need to drop that T3 and add in some T4 or let's add in some NDT medication. Wrong. That. That would be the complete wrong scenario for me because a, if you drop my T3, and I've done this experiment too, so I have all the answers. Sorry, I just do. If you drop my T3 by 25 micrograms, which I have done with the microdosing of GLP. But if I took it down again, or let me say, when I experimented with this years ago, long before GLPs were out and I could reduce my inflammation and improve my metabolic efficiency, I dropped by 25 micrograms. I went from 150 to 125, and not at the same time. So let me give you each scenario that I tried so as to not confuse you. Just dropping by 25 micrograms made me gain weight and changed my mood. Now, do you think that a practitioner that sees my free T3 of A16 like screaming flagged high, do you think they're just gonna take away 25? Are they gonna take away like 50? Are they gonna want me to continuously drop my T3, which I have heard many clinics out there do to people, and they just want them to just keep dropping your T3. We wanna work to lower your T3. We wanna get that T4 in because your free T4 is so low. Well, again, that's me. So A, if you take away my T T3 because my free T3 is screaming high at a 16, I'm going to go hypothyroid. And if you add in T4, because over here, you see my free T4 is really, really low, and you give me T4, which I have also experimented on myself and done, I become depressed, like clinically depressed in a week. I've never been depressed in my life, except when I was being misdiagnosed multiple times by multiple different doctors and no one had me on the right thyroid medication all day long. When you're hypothyroid and you're not medicated, you're under medicated, you're mistreated, you're mismanaged, you're on too little T3, you're on too much T4. Too much NDT. Yeah, you're going to experience clinical depression. But there's a lot of people out there that are literally clinically depressed and really struggling through life and need an antidepressant. And that wasn't me. I just needed thyroid medication. Well, then when I experimented and put in T4, I was like, this is what people talk about when they say they don't want to get out of bed in the morning. When they say that, they literally have no zest for life whatsoever. I was clinically depressed and the scale went up, I kid you not, by £10 in one week. One week. Because I added in T4 just to see what would happen to my body. Just to see what would happen to a non converter when you give her T4. So I experimented so you don't have to. But that's what people do. That's what these clinics do when they test you at the peak, they add in T4, they take away your T3 because they're freaking out. All right, one more scenario. You're on natural desiccated thyroid medication. You're on 60 milligrams twice a day of armor or NP or this new Ren Pharmaceuticals natural desiccated thyroid. They're all the same. NDT, porcine, porcine derived thyroid glandular. 80% T4 and 20% T3. 80% T4 and 20 percent T3. Now, if you're taking 60 milligrams in the morning, that rough 20%. We do really, really rough math with this. Yes. You can look it up and find the exact micrograms of T3 in 60. But I believe it's 9. Roughly. We just go by 20%. So we would. We would come back at the 12, but 10, 9, 10, 11, 12 in their microgram range. So your free T3 at the peak will probably be pretty low. It'll probably actually be within range because you're only taking a tiny little amount of T3 in your NDT in the morning. Okay, let's say you're getting 9 or 10 micrograms in the morning. Well, it's the same thing as what I said earlier about taking 10 micrograms of lyonine twice a day. That 10 micro, I mean, you might get a 4.4, you might get a 5, you might get a 6. Again, it'll be in the optimal range for testing 18 to 24 hours from your medication. But it's not going to be in the optimal. Well, there is no optimal range for testing at the peak. It's actually going to. You follow me here. You're going to land in the optimal range for testing 18 to 24 hours after your T3. But you literally tested four hours after you took your T3. So now you have a false good. Now you're looking at your free T3. You go, well, damn, that looks pretty good. I'm rolling in at a 5. It gets cut off at a 4.4. I'm a little bit over range around that hyper, you know, okay, I'm looking pretty good. But wow, why do I still have six symptoms? If my free T3 looks that good, why am I still gaining weight? I'm dragging myself to the day I cannot wake up whatsoever. Still losing hair. My hair's thinning. I'm still anxious and depressed. Yeah, because it only looks good. Because you're testing at the peak. If you tested those 60 milligrams of armor twice a day the correct way, by testing 18 to 24 hours after taking your medication, who knows, you might be coming back at a 3.5, which would be fine. But then you have to look at your reverse T3 as well because you're taking 80% T4. Or you might come back at a 2.9 and you actually need more. You might need T3 added. We have to check your reverse T3 as well. But the bottom line is you tested your free T3 incorrectly. And now we really don't know. Now we don't know. We don't know if that 5 or that 4.5 or the 5.5 or the 6 that you're in your free T3 when you're testing at the peak, when you're testing after you took your medication, we don't know if that's just. Is that just the lab picking up on the med that's in your bloodstream? Like, hasn't even had a chance to do its job. It's literally still in your blood. Do you ever feel like your energy is just off? Like you're not fully alive during the day and then you're restless at night? Chances are your circadian rhythm, your body's natural clock, has been disrupted by a lack of sunlight. So what's the solution? This is where I bring in the Mitolux sun lamp. It is designed to mimic the best of the sun, helping restore your body's rhythm. UVB for vitamin D, that helps our energy. Red and infrared light for mitochondria, chondrial support, and let's not forget our skin and collagen formation. It's amazing. It's like a reset button for your health that you just turn on and then sit in front of and enjoy. And during those long, gloomy winters, those long days, it's a lifesaver. No more winter blues, by the way, improves your mood. No more low energy. Improves your energy. So you need to get yourself a mito luxe lamp. It's so portable, it's so easy. I sit it on my desk, I take it with me to my bathroom, I stick my face in front of it. After I wash my face, put on my serum. It is amazing for your skin, but amazing for your energy. Amazing for your mood. You want to go to mitolux.com forward slash, Dr. Amy. So that's M I, T O L U x.com forward slash dash R-A M I E. You're going to use the code. Dr. Amy they are giving me the code to give to you for 10 off. You will not regret it. This is the best, best, best red light, hands down. I have many of them in my house. This is the only one that I use. It is so easy, portable and it works. The most important thing is it works. So mitoluxe.com forward/doctor Amy don't forget to use the code. Doctor Amy. This is the same reason why we tell you don't take a shot of testosterone. I don't care whether you're male or female. If you take a shot of testosterone and you test that same day, the next day, or even really the day after, you're going to have this abnormal high number. And again, if you, we would always ask you, you know, hey, okay, when did you take your testosterone shot? Was it close to these labs? But a non educated practitioner is going to go, oh my God, Sally, your total testosterone is 350. You better drop your dose. Without even asking you, oh, did you take it? Did you happen to take it before your labs? What's happening? When you get that abnormal high, you're getting the medication or that hormone picked up in your bloodstream, It'd be the same thing as if you popped a progesterone pill in the morning, if you slapped on a new estrogen patch, if you lathered on some estrogen cream and then went and got your labs done, you're picking up on that hormone that you just gave yourself. How is that even going to be accurate? When we give you T3 in the form of NDT or lyothyrenine, or slow release or compounded. Whatever you're taking, we are building it up in your system. So I know the big question out there and I've seen it posted in the just group. The big question is, well, then, if it's all gone, if we take our T3 and then we test 18 to 24 hours and it's literally out of our system and it's gone, how do we know how to adjust our dose? It's not all gone. You're building. So you're giving your body what it needs, just like I said earlier. And every cell in our body has a receptor site on it for T3. So we give our body that active thyroid hormone. And yes, if you're taking T4, your body is still converting some of that to T3 as well. And that's a slow, ongoing process. So we're not even talking about the T4 to T3 conversion. We can set that aside. We're really, really focused on that T3 adding in that T3. So let's say you take your T3, you then do a blood test three to four hours later and you're getting that high number. It's not telling you how much is left over and literally kind of like building up in your system. So when we first start to treat someone in the clinic and we know, oh my Gosh, they need T3, right? We know that hands down, we tested them appropriately, their free T3 has come back at a 2.3. Let's say they're reverse is like a 16, 17. Okay, we know this person needs T3, so we start them on it. We will always test about two to three months later, usually around the eight week mark, eight to nine weeks. Because that at least tells us are we going in the right direction? You might not be optimal yet, but are we going in the right direction? And we can do this because we actually have the data to support a saying that the optimal, the optimal range for free T3 is in the upper quadrant of the standard lab value range or slightly over. So if we are using LabCorp, we can confidently say that that free T3 that we get back in your labs better come back at a 3.7, 3.8, 3.9, a 4, 4.1, 4.2, 4.3, 4.4, maybe 4.5, 6, 7, maybe all the way up to a 5. That is 18 to 24 hours after you took your medication. 18 to 24 hours. So if you are getting a 4 or 4.1 or 4.2 or 4.4, a 5, a 5.5, and you're getting that number after you took your medication, you're getting a false high. You're actually not good. Try to test that at 18 to 24 hours. Then you're going, oh my God. Holy. I'm at 2.3. Like I'm way too low. No. No wonder I have all of these symptoms. Are you following me so far? This is basic biology, basic science. It really is. I am trying to break this down so that that light bulb goes off in your head and you go, oh my God, this totally makes sense. And now it makes no sense whatsoever to test at the peak. It doesn't even make sense to test at the peak, even if you want to do it for your own experiment and shits. And giggles. Pay for your own lab. Go to Ulta Labs. Pay out of pocket. Don't let it land in your medical record. If you're really super curious and you want to see, but now realize that your number and my number and Susie's number and Janet's number and Mary's number and Patty's number, because we're all on a different dose of T3, and we all have different metabolisms and we all break down the medication differently. And what I blow through in four hours might not be what you blow through in four hours. So actually, you and I could be on the exact same dose and we could metabolize our hormones differently and we get different numbers when tested at the peak. Do you follow me? Please say you follow me. This is make. This should be making complete and total sense. I really want those light bulbs to go off. So, number one, there is no documented functional optimal range for testing your T3 at the peak. Number two, that peak number of free T3, that free T3 peak number is going to vary based on the medication dose. 10 micrograms is very different from 50 micrograms, is very different from 75 micrograms. It's very different from 100 micrograms. I do have a patient on 100 micrograms twice a day of T3. And her, she did this as well. Just to see. Just to see. But her free T3 came back in the 20. So I'm 16, she's 22. This other person that tested their 10 micrograms twice a day is coming back at a six. Who's right? Who's right? Who's optimal, who's over medicated, who's just right? You can't tell because there is no documentation. I haven't learned it, haven't read it, haven't been told it, haven't heard it. So there's no documentation of the optimal lab value range for testing at the peak. And it also doesn't make freaking biological sense. It does not make sense. There is no way we can tell what to do with your medication if we test it at the peak. Listen, I've been doing this now. How old am I? I'm old. I've been doing this now for almost 30 freaking years. I can read labs in my sleep at this point. I can look at people and tell exactly if they have a thyroid problem. I can probably even tell you if you're on T4 only if I meet you on the street. I promise you that when we test 18 to 24 hours and then we Adjust your medication and we ask you, how do you feel? Because that's really the most important part of treatment, despite any freaking number that you're looking at. We ask you how you feel and we layer that we can get you optimized because we can look at that free T3 that's coming back at a 2.5 or a 2.9 or a 3.1. And we can say, you know, it just, it's not optimal yet. Oh, and you have symptoms. How do you feel? Oh, that's right. Okay, Sally, so you're still gaining weight. You haven't really lost yet. We haven't gotten that metabolism up and running. You're still really sluggish today. Okay, well, make sure that you're, you're split dosing that T3 and taking that afternoon dose. That's going to help with energy. But see, your free T3 is really only a 2.8. And then we go over here and we look at your reverse T3. That's still kind of high. So let's, let's increase your, your T3 medication. Let's get that free T3 value to that upper quadrant range because that's really where you're going to feel your best. And then we do that and you get to the upper quadrant of the range and guess what happens? Guess what happens. Your symptoms go away and you feel better. Because we know that if you're not really in that upper quadrant of the range, just, you're just not going to feel your best. Now, l, Russ and I have talked about this on a podcast, and I'm going to side note it over here. There are some people and her and I both said, like, I think we, we've had people rolling in with a 2.9 free T3, and no, it's not in the upper corner of the range, but wow, it's really, it's, it's, it's not horrible. And these people feel great. If you tell me that you feel like a rock star, am I going to change your dose? No, I'm not. No, I'm not. So sometimes you will come in a little bit lower than that upper quadrant of the range. And then we're going to ask you how you feel, and if you feel good, we're not touching it. But if you don't feel good, then we can use that number because we know that a 2.8 or 2.9 is not going to get someone optimized in the majority of the population. We know that you need more T3. Now what if you are on T4 only, it doesn't matter. This really only pertains to medication containing T3. So lyothyrenine Cytomel, a compounded slow release T3 NDT medication, which is your armor, your NP, your Ren pharmaceutical, all of those are containing T3. The NDT has it in the 80, 20%. So 80% T4, 20% T3. And obviously lyothyonine Cytomil is 100% T3. When you have T3 in the mix, that is going to be picked up on labs. If you test at the peak versus 18 to 24 hours, T4 only doesn't matter. T4 is slow. It's not going to artificially raise your number. It's not. I always tell our patients to just skip all thyroid medication, make it easy. That way we don't even get a falsely elevated free T4 because elevated free T4 can be a problem that can actually drive up your reverse T3. So technically, if you take your T4 in the morning, could some of it get picked up in your blood on labs and artificially raise the free T4? It could. It's not going to do anything. The reverse T3, unless you have major conversion issues, in which case we want to see that. We want to see if your reverse is above a 12 because then that tells us we need to lower your T4 dose. And if you're on T4 only, well, you're not going to be optimized anyways, so there's that. So if you're on T4 only, the thing that you have to worry about is finding a doctor or working with us. That'll give you T3 because you're never going to be optimized. And T4 only, only. But when it comes to testing did I break this down in digestible form enough that it now makes sense. I really want to hear from you, I really, really do. Because I want this to to get inside of you. I want you to literally download it and have this knowledge for the rest of your life. So that if someone does, let's just say you're working with someone who doesn't know what the hell they're doing with the fire. And they're like, let's test your T3 at the peak. You could be like, oh my God, no, no. Because you're going to see that number and you're going to draw my T3 and I'm finally feeling good. And listen, I've seen this happen. So this is not a scenario I'm making Up. This is a scenario I just saw written in the Just Fixture Thyroid Facebook group the other day by somebody that went to a clinic. And that's exactly what they did. And they tested them at the peak and then they dropped their T3 and now they feel worse. No add, add in T4. It's a disaster. It's just. But that's what's going to happen. That's what's going to happen. If you want to do that, by all means, I'll be here when you're sick and tired of being sick and tired. But please, I mean, come on, please, just test appropriately so you know your numbers. And the last thing I will leave you with. And I, I've said this in other podcasts when I talked about testing. When you test the correct way at the 18 to 24 hour mark, I want you to pick a time. And that time is, it's the same gap every single time you get labs. So if you're testing at the 18 hour mark this time, then next month or two months from now when you test again, go 18 hours, don't go 20, don't. Because now you can't even compare apples to apples. So you went 18 hours this time, you went 24 hours this time, and now, oh yeah, there's a difference in numbers because there's a difference in time every hour, every half hour, every minute that is different from the last time that you tested. And I get it, you're not going to get it down to the minute, but can you get it down to at least the hour so that you can actually say, oh my free T3 was a 2.3 here and then we added T3 and now it's looking much better at a 2.9 or 3. We're going in the right direction. But you know that because you tested 18 hours here and 18 hours here, and then it'll be 18 hours and then 18 hours and then 18 hours every single time after that to as much as you can control so that you can compare it to the last time. Now, if you can nail the time exactly, not a big deal. What we end up doing is we just look at it through that optimal lab value range. So we go, okay, if you tested 18 to 24 hours, you tested in the right time frame and your free T3 is still coming back, not in that upper quadrant of the range and you still have symptoms, we know that we need to increase your dose. Simple as that. So hopefully the timing explanation lands for you and makes sense. This is such an important episode. I'm going to encourage you to share it. I'm going to encourage you to go to the just fix your thyroid Facebook group if you're not a member. Oh my God, you should have FOMO because we do lives in there. Every single week I'm in there answering your questions live. Every single week. We do fixer supplement giveaways. We do a ton of fun stuff in there. But the bottom line is the that you get to ask your questions for free live. And you can post your questions in the group as well. Amazing people in that group. We're like a big family. Seriously, we're like a big family in there. And you can get your questions answered. You can even post your lab values. Whether you're working with a functional doc or you're working with a conventional doc, you can post your lab values in there and we will help you. So I want to hear from you. Go to that group. Even if you're a newbie, go to that group after you hear this and I want you to just post, you know, I get it. Or post a question or post something that you don't quite understand. And I will elaborate on that. I want to hear from you. Did this make sense to you? Does this land. Does this biologically make sense? Because it should. And anything else I need to clarify, I will happily do that because I want you treated and tested properly the right way. The information shared on the Thyroid Fixer Podcast is intended solely for informational and educational purposes. It is not a substitute for professional medical advice, diagnosis or treatment. Always consult with your physician or other qualified health care provider with any questions you may have regarding a medical condition, treatment or before making changes to your healthcare regimen, including medications, supplements, or other therapies. Use of the information provided in this podcast does not establish a doctor, patient or client provider relationship between you and the host or between you and any other healthcare professionals featured on the show. Any medical opinions or statements made by guests are their own and do not necessarily reflect those of the host or affiliated parties. Statements regarding dietary supplements or health related products Products mentioned in this podcast have not been evaluated by the fda. These products are not intended to diagnose, treat, cure, or prevent any disease. Some episodes of the Thyroid Fixer Podcast may include sponsorships or affiliate links. The host may receive compensation for discussing or promoting certain products or services. Any such sponsorships or affiliations will be clearly disclosed during the episode. All opinions expressed are those of the host or guests and do not necessarily reflect the views of any sponsors. The inclusion of a product or service does not imply endorsement by any healthcare professional featured on this podcast.
Podcast Summary: The Thyroid Fixer
Host: Dr. Amie Hornaman
Episode: 568 — How to ACCURATELY Test Your Thyroid: Timing Meds and Labs the Right Way
Date: October 10, 2025
This episode tackles a crucial and often misunderstood part of thyroid management: When should you have your thyroid labs drawn if you’re taking thyroid medication? Dr. Amie Hornaman breaks down the science and dispels widely spread myths, using her expertise, personal experience, and a dose of tough love. The message is clear: proper timing of blood tests is essential for accurate results, correct medication adjustments, and actually feeling better.
Free T3 should be measured 18–24 hours after your last dose of T3-containing medication.
If on T4 only (levothyroxine/Synthroid):
Consistency is key:
Testing at the peak can:
Dr. Amie’s bottom line: “This is basic biology, basic science...Now it makes no sense whatsoever to test at the peak.” (01:01:30)
Dr. Amie encourages listeners to join her Just Fix Your Thyroid Facebook group for free Q&As, patient-sharing, and personalized support—described as a supportive, knowledgeable, and badass community.
Summary:
Dr. Amie’s episode is a must-listen for anyone who takes thyroid medication. Her bottom line: Testing at the wrong time will only set you back. Empower yourself with the science, insist on correct lab timing, and use your own symptoms as the best guide to optimizing thyroid health.