Podcast Summary: The Dr. Gundry Podcast – Ep 367

Title: Healthiest 5 Exotic Fruits (and how to reverse juice)
Host: Dr. Steven Gundry
Release Date: September 2, 2025

Episode Overview

In this engaging, information-packed episode, Dr. Steven Gundry explores the health implications of juicing versus eating whole fruits, debunks common fruit-related myths, and dives deep into the healthiest (and worst) exotic fruits you can eat—highlighting their effects on gut health, metabolic well-being, and overall vitality. He also shares actionable tips on how to incorporate these fruits strategically for maximum benefit and minimal risk.

Key Topics & Insights

1. The Truth About Juicing (01:56 – 06:52)

• Juicing's Pitfalls: Dr. Gundry addresses the juicing trend, often hailed as a shortcut to health, and explains why it's actually detrimental.
  • “The truth about juicing and juice cleanses is they're a waste of your time and money. Plus, they're terrible for your health.” (01:56)
• Sugar Content: Most juices, even so-called green juices, are high in sugar—sometimes exceeding sodas and desserts.
  • “One of the most popular green juices on the market has a whopping 53 grams of sugar per serving. For reference, that's more sugar than a can of soda.” (03:00)
• Fiber Loss: Juicing removes fiber, crucial for feeding beneficial gut microbes, keeping you full, and supporting digestion.
  • “That pulp is where the fiber is. And fiber is what you need to keep your gut bugs happy.” (03:11)
  • Celery juice isn't spared—even if low in sugar, juicing strips away precious fiber.
• Detox Myth: Actual detoxification is handled by your liver—not by juice cleanses.
  • “If your liver is functioning well, you don't need to worry about trend detoxes or any of that. Especially if you're eating healthy foods.” (04:20)
• Reverse Juicing: Instead of drinking juice, keep the pulp (fiber) and discard the juice (sugar).
  • “With reverse juicing, you throw out the juice and keep the pulp. ... When you’re throwing out the juice, you’re getting rid of most of the sugar from the fruit and keeping the healthy fiber and nutrients.” (05:36)
  • Use pulp in coconut yogurt, smoothies, or almond flour muffins.
  • Smoothies are allowed—provided they contain all fiber and are Plant Paradox compliant.

2. Fruit, Evolution, and Sugar: Why We Love Fruit (06:52 – 16:44)

• Genetics & the ‘Thrifty Gene’: Humans and great apes share a mutation—lost uricase enzyme—that allows us to turn fructose into fat efficiently, aiding survival in ancient times, but now leading to metabolic issues.
  • “Fructose is a mitochondrial toxin. ... most of fructose is taken directly to the liver ... where it's detoxified into triglycerides, a fat, and uric acid.” (07:37)
• Consequences of Year-Round Fruit: Modern access to fruit (and high-fructose corn syrup) year-round drives weight gain and insulin resistance.
  • “We now have 365 days of endless summer. ... that mutation allows us now to constantly store fructose from fruit ... as fat.” (09:44)
• Nature’s Fruit Is Different: Ancient fruit was wild, small, fibrous, and consumed seasonally—modern fruit is bred for maximum sweetness and availability.
  • “Fruit was supposed to exist seasonally. ... It was wild, it was small, it was very fibrous, and ... it was seasonal.” (11:23)
• Fruit Color & Human Evolution: Bright colors signal high sugar and ripeness—a trait evolved to entice fruit predators, including us.
  • “Plants use the color of fruit to actually tell you and me when that fruit has its highest sugar content.” (12:23)

3. The Best and Worst Exotic Fruits (16:44 – 24:40, 25:00 – 45:37)

Best Exotic Fruits

• Papaya (Unripe/Early Ripe):
  • “I prefer you eating papayas when they're unripe ... The less ripe the papaya, the far more fiber. Soluble fiber for your gut buddies.” (13:54)
• Passion Fruit:
  • “That jelly like substance is packed with polyphenols and soluble fiber and it's incredibly low in fructose.” (14:14)
• Dragon Fruit:
  • “Dragon fruit is low in sugar, it's high in antioxidants ... and it's a great source of prebiotic fiber.” (16:44)
• Cacao (Raw/Fermented):
  • “Yes, cacao, chocolate is a fruit, but only if you eat it like one. So raw or fermented cacao ... is rich in polyphenols and brain supporting compounds.” (17:54)
• Loquat, Acai, Mangosteen, Star Fruit, Breadfruit:
  • All praised for unique fiber, polyphenol, or antioxidant content, but caution about preparation and sugar.
  • “Loquat ... are very fiber rich” (18:11), “Acai ... powerhouse of anthocyanins and other polyphenols ... skip the acai bowls.” (18:26)

Fruits to Avoid or Limit

• Ripe Mango:
  • “A ripe mango is one of the highest sugar containing foods there is. That's why we love them so much.” (18:50)
  • Opt for green mango (gut-prebiotic).
• Goji Berries/Goldenberries:
  • “They are a nightshade family. And so just avoid them.” (19:20)
• Guava (Most):
  • “Guava and guava nectar is loaded with sugar. It's not worth it unless you really know the source or have one growing in your backyard.” (19:55)

Key Quote on Seasonal Fruit

“Fruit was supposed to exist seasonally. You and great apes became the conquerors of the world because of this genetic mutation that allows you to turn fructose into fat and store it effectively.” — Dr. Gundry (20:15)

4. Spotlight: Kiwi – The Ultimate Fruit? (24:40 – 30:00)

• Lowest Glycemic Index:
  • Kiwi is lauded for having the lowest GI among fruits (GI 3-39), leading to gradual blood sugar rises—a boon for metabolic health.
  • “Kiwis have the lowest glycemic index of any of the fruits.” (24:42)
• Eat Whole, With Skin:
  • “Eating a whole kiwi with the skin on actually increases its fiber content by a whopping 50% more than if you eat it without its skin.” (25:22)
• Gut Microbiome Benefits:
  • Regular kiwi consumption improves gut microbiota diversity and increases beneficial lactobacilli.
  • “Kiwi fruit is a prebiotic that selectively enhances the growth of intestinal lactic acid bacteria.” (26:50)
• Sleep Benefits:
  • New study: Two kiwis one hour before bed helps improve sleep quality and duration.
  • “Consumption of two kiwi fruit one hour before bedtime for a month significantly improved ... total sleep drive ... by 17%.” (28:15)
• Memorable Reframe:
  • “From now on, I want you to replace that saying, an apple a day keeps the doctor away, with a kiwi a day keeps the doctor away. Just remember, don't peel them. Eat the fuzzy part.” (29:25)

5. Avocado: A Daily Superfruit (30:01 – 45:37)

• Why Avocado?
  • Monounsaturated fat, fiber, polyphenols, potassium, antioxidants—all without sugar.
  • “You should have an avocado every day. ... people who eat avocado every day lose weight compared to people who don't.” (30:01)
• Boosts Nutrient Absorption:
  • Eating avocado with salads/veggies increases absorption of vitamins and polyphenols.
• Myths About Fat:
  • Debunks fear that “eating fat makes you fat”; highlights that fat does not spike insulin, but carbs and protein can.
  • “Just remember, eating fat does not make you fat.” (34:36)
• Practical Ways to Eat Avocado:
  • Plain, with salt/pepper and olive oil
  • In salads or as guacamole (no tomatoes, use Belgian endive as the “chip”)
  • Avocado + egg yolk (as a power breakfast)
  • Incorporated into smoothies, hummus, even popsicles and ice cream
  • “Avocados are my favorite go-to’s for health.” (38:07)
• Bulk Buying Tips:
  • Buy green, refrigerate to extend life; cost is justified by health benefits.

“So avocados give you a tremendous health boost anytime you eat them. There's almost no sugar in an avocado, even the fact that it is a fruit.” — Dr. Gundry (41:00)

6. Bonus Q&A: Cognitive Decline and Devices (45:37 – 46:59)

• Gut Health Is Key: Dr. Gundry responds to a question about oxygen therapy for dementia by reiterating that gut health and microbiome diversity are paramount for cognitive health.
  • “Cognitive decline comes from decline of gut health, decline in diversity of the microbiome and decline in in the integrity of the wall of your gut and repairing those is job one.” (46:10)

Memorable Quotes

• On Juicing:

  “When you juice something, the machine chews up your fruit and veggies, then spits out the juice. And most people just throw the pulp in the trash. The bad news, that pulp is where the fiber is.” — Dr. Gundry (03:11)

• On Fruit and Evolution:

  “You have color vision because you are a fruit predator. And only animals that predate fruit or flowers have color vision.” — Dr. Gundry (12:53)

• On Kiwi:

  "A kiwi a day keeps the doctor away. Just remember, don't peel them. Eat the fuzzy part.” — Dr. Gundry (29:28)

• On Avocado:

  “You should have an avocado every day.” — Dr. Gundry (30:01)

Timestamps for Key Segments

• 01:56 – 06:52 Juicing: Problems and Solutions (Reverse Juicing)
• 06:52 – 16:44 Fruit, Evolution, and Metabolic Health
• 16:44 – 24:40 Exotic Fruits: Best and Worst
• 24:40 – 30:00 Kiwi: The Model Fruit
• 30:01 – 45:37 Avocado Deep-Dive: Benefits, Myths, and Serving Suggestions
• 45:37 – 46:59 Gut Health and Cognitive Decline
• 29:28, 34:36, 38:07, 41:00: Notable quotes about kiwi and avocado

Conclusion

This episode cements Dr. Gundry’s core philosophy: Eat fruit smartly (seasonally, unripe or low-sugar, fiber-rich), prioritize whole food over juice, embrace daily avocado and kiwi (with skin), and never fear fat when it comes from the right sources. Above all, nurturing your gut is the foundation of optimal health—mind, body, and soul.

For daily health tips and podcast updates, follow Dr. Gundry on social media or explore his YouTube channel.

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