I once had a patient tell me, "You don't know much about vitamin D, do you?" 

He had a point, not because I hadn't studied it, but because so much of what we're taught about vitamin D simply hasn't caught up to the research.

My patient’s question  led me down a path of research that changed how I treat every patient who walks through my door.

In this episode, I break down

• Why vitamin D isn't a vitamin at all but a hormone quietly running the show for your gut and immune system
• Why the "toxic" dose you've been warned about is a myth that's kept millions of people needlessly deficient
• Why this one hormone might be the closest thing we have to a longevity switch.

Plus, learn the exact number I push my own patients' levels to, and why your doctor's idea of "normal" is probably way too low.

For full show notes and transcript: drgundry.com/how-much-vitamin-d-should-i-take

On this episode, you’ll learn:  

• Why vitamin D isn't actually a vitamin (01:11)
• How nearly 80% of new patients turn out to be vitamin D deficient (you probably are too!) (01:31)
• What vitamin D has to do with the diversity of your gut microbiome (02:18)
• What a major university research group discovered about vitamin D at doses most people assume would be dangerous (09:04)
• A real patient story from this week, and the dose it took to finally get his vitamin D levels where they needed to be (11:33)
• The sweet spot dose of vitamin D that works for most people — and who might need to dial it back (12:46)
• Why doing THIS to your peppers might be the trick to enjoying them without the reaction (16:32)

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Think sardines are just an old-fashioned pantry staple? Think again.

In this episode, I'm breaking down why these tiny fish may be one of the most powerful foods you can add to your diet. Packed with omega-3s, high-quality protein, minerals, and nutrients that support everything from your brain to your heart and gut, sardines deliver remarkable health benefits in one small package.

I'll explain what makes sardines different from larger fish, why they're one of the safest seafood choices, how to choose the best canned varieties, and the biggest mistakes people make when buying them. Plus, I'll share my favorite ways to enjoy sardines—even if you've never been a fan.

If you're looking for a simple, affordable food that can have an outsized impact on your health and longevity, you won't want to miss this episode.

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Have you asked ChatGPT or Claude a health question before? 

AI is already changing how patients research symptoms, read labs, and make health decisions — and that could be one of the most empowering shifts in medicine, or a potential disaster. My guest today knows exactly where that line is.

Dr. Vivienne Ming is a theoretical neuroscientist who's spent 30years building AI to expand human potential, founding more than a dozen companies along the way. She has built one of the first AI systems ever designed to help manage a disease, and she shares it all in her new book, Robot-Proof: When Machines Have All the Answers, Build Better People.

On this episode, we get into where AI genuinely helps your health, where it quietly diminishes your own power of intellect and reason, and why the smartest "mind" in any room isn't a genius or a supercomputer. 

On this episode, you’ll learn:  

• Why doctors and AI make "complementary" errors—and how combining them beats either one alone (01:31)
• How outsourcing your thinking to AI over a lifetime could raise your risk of THESE health issues (06:54)
• A fascinating experiment that reveals how you can build richer, denser brain connections through this (10:03)
• Why your brain does a nightly cleanup during sleep (13:25)
• The "nemesis prompt" trick for using AI to challenge you instead of letting it do the thinking for you (15:24)
• What the "Jiffy Lube colonoscopy" problem is, and which doctors suffer from it the most (18:13)
• The hidden bias problem in medical AI—and why it may perform worse for underrepresented populations (27:42)
• The real reason AI hallucinations can never be fully eliminated, and what that means for how much you should trust it (30:00)
• A simple technique for using AI to build real understanding of any health condition (40:15)
• Practical guardrails for deciding how much to trust an AI answer before you bring it to your doctor (45:02)

For full show notes and transcript: https://drgundry.com/should-i-trust-ai-for-health-advice

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What if your grocery list could do more for your waistline than another hour on the treadmill?

The truth is, not all calories are created equal—and some foods may actually help your body become more efficient at burning fat while keeping hunger under control. In this episode, Dr. Gundry reveals the surprising foods that can support your metabolism, fuel your gut microbiome, and help your body tap into stored fat more effectively.

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Dr. Steven Gundry takes his scalpel to four of the most stubborn weight loss myths in modern nutrition—the ones that have you white-knuckling through miserable diets while the scale refuses to budge.

Questions answered in this episode:

• Does eating fat actually make you gain weight?
• Why doesn't counting calories work for weight loss?
• Can you lose weight with exercise alone?
• Is weight gain really about willpower and discipline?
• What role do gut bacteria play in weight loss?
• Why do most diets fail in the long run?
• How does gut health affect your metabolism and cravings?
• Is cottage cheese a weight loss food?

Tune in to learn why real, lasting weight loss is a "side effect" of ending the war in your gut—and why the number on the scale is your gut buddies' business, not your calorie counter's.

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Do your joints ache every time you get out of bed?

Here's what those cheerful drug commercials won't tell you: the medications treating your rheumatoid, psoriatic, and osteoarthritis are actually transplant drugs designed to suppress your immune system — and they're managing a symptom while ignoring the real cause.

In this episode, I explain why arthritis is not a normal part of aging, why your "wear and tear" joints have the same root cause as heart disease, and how 94% of my autoimmune patients get off their medications and become symptom-free within a year.

On this episode, you'll learn:

• Why the happy, dancing people in arthritis drug commercials couldn't be further from the truth (02:17)
• The real reason your immune system attacks your own joints — and it's not a "mistake" (03:04)
• How 50% of Dr. Gundry's patients had blood-test-proven rheumatoid arthritis with zero joint pain (04:27)
• The shocking reason a heart attack can be the very first sign of rheumatoid arthritis (04:44)
• What Dr. Google gets wrong about voice changes as an arthritis symptom (06:25)
• The one question Dr. Gundry asks patients that makes their eyebrows shoot up (09:36)
• Why a stent or bypass gives you a 50% chance of a joint replacement within five years (13:26)
• The exact blood tests to ask your doctor for — and the one panel most people skip (14:49)
• How a patient named Jerry canceled his knee replacement and skipped around the exam room (17:48)
• The truth about how much olive oil you actually need for its benefits (19:22)

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Were you just told you have osteopenia or osteoporosis?

Here's what your doctor may not have mentioned: they're the same disease, and the drugs commonly prescribed for it can actually make your bones more fragile, not stronger.

In this episode, I break down the real warning signs, expose the suspicious timing between DEXA scan technology and the drug industry that followed it, and share how my own wife reversed her osteoporosis without a single prescription.

For full show notes and transcript: https://drgundry.com//osteoporosis-osteopenia-symptoms

On this episode, you’ll learn:  

• Why osteopenia and osteoporosis are actually the exact same condition (01:12)
• Which warning signs could mean you have a hidden compression fracture you’re unaware of (02:57)
• What Google gets wrong about "uncommon" bone loss symptoms (05:12)
• Why your balance problems might have nothing to do with your bones — and everything to do with your spine (5:45)
• The reason a sudden change in posture could be a red flag your body is sending you (06:17)
• What osteoblasts and osteoclasts are actually doing inside your bones every single day (011:00)
• The disturbing reason dental surgeons refuse to do implants on patients taking popular bone drugs (13:05)
• How a leaky gut could be the true root cause of your bone loss, not aging (14:48)
• The surprising story of how my own wife reversed her osteoporosis by changing her diet, not by medication (15:03)

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Collagen is everywhere these days, but is it really worth the hype? In this episode, I break down what collagen actually is, why it's one of the most important proteins in your body, and whether collagen supplements live up to their promises. I'll also share why collagen-rich foods like bone broth can play an important role in supporting healthy skin, joints, muscles, and longevity, and what you should look for if you're trying to get the most benefit. If you've ever wondered whether collagen is truly essential for healthy aging, this episode is for you.

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What if everything you've been told about good skin is upside down?

My guest today, Camille Hermann, spent 15 years formulating products for L'Oréal, Clarins, and Eucerin — and then walked away from it all.

Why? Because she realized the industry she helped build was treating symptoms while ignoring the real cause. Camille is now a skin biologist who calls the skin "the dashboard of your biology" — a window into your gut, your hormones, and even your brain.

In this episode, we break down what your acne, eczema, and thinning hair are actually trying to tell you, why the French seem to eat everything and stay lean anyway, and why I've been putting olive oil in my mouth and on my face for years.

If you've ever felt like your skincare routine is fighting you instead of helping you, you're going to want to hear this one.

For full show notes and transcript: https://drgundry.com/skin-gut-connection-camille-hermann

On this episode, you’ll learn:  

• Why my guest walked away from creams and serums to chase the real root cause of skin problems (04:43)
• How to start reading your skin issues as warning signs for other health issues (06:46)
• What your breakouts and eczema are actually trying to tell you about inflammation in your gut (13:11)
• The simple French eating habits that explain why they stay lean without ever counting a calorie (20:22)
• What the "GLOW" method is and how it can help reset your skin from the inside in about four weeks (24:58)
• Why olive oil belongs on your face just as much as in your mouth (31:03)
• The real results my guest experienced during her skin transformation (and how you can too) (39:01)
• Which everyday habit in your morning skincare routine you should stop doing immediately (43:18)
• Why thinning hair might have more to do with your gut health than your genetics, stress, or hormonal changes (47:47)

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Polyphenols - they're one of your good gut buddies' best food sources. How do they work? Where do you find polyphenol-rich foods? Your questions are answered in today's episode of the Dr Gundry Podcast.

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