The Dr. Gabrielle Lyon Show

Over 500 published papers stand behind one of the internet's most popular peptides, but fewer than 30 of the humans studied are in them. Dr. Gabrielle Lyon separates the molecule from the marketplace so you can tell real evidence from good marketing.

In this solo episode, Dr. Gabrielle Lyon discusses:

• Why BPC-157's "mountain of evidence" collapses to a 99.7% animal-to-human ratio - 544 papers, but fewer than 30 humans across three uncontrolled pilot trials
• How to place any peptide on the spectrum from FDA-approved (GLP-1s like semaglutide) to investigational to compounded, and why "GLP-1s work, so peptides work" is a trap
• What the FDA quietly did in April 2026, and why removing a dozen peptides from its safety-concern list was driven by policy pressure, not new safety data
• The 4 questions to run on any peptide before you inject level of evidence, what the study measured, where it's sourced from, and whether it's banned in tested sport
• Why the "boring work", resistance training, protein-anchored nutrition, and real recovery beat almost anything in a vial

If something is going into your body through a needle, the standard has to be higher than three words on a label that say "research use only." This episode gives you the framework to protect yourself before spending a dollar or taking a shot.

Thank you to our sponsors:

• Head to https://bit.ly/4ftfObn and use code DRLYON for 25% off sitewide. That is K-E-T-T-L-E and Fire dot com slash DRLYON, code DRLYON for 25% off. Also available at select Sprouts, Whole Foods, and Kroger locations nationwide.
• BodyHealth - Use the code LYON20 to get 20% off your first order https://bit.ly/4vZs75j
• OneSkin - Get 15% off at https://bit.ly/44XXQYy with code DRLYON

Explore More from Dr. Gabrielle Lyon

• Premium Podcast Subscription: Ad-free episodes, key takeaway summaries, exclusive Q&A, and behind-the-scenes content https://foreverstrong.supercast.com
• Weekly newsletter: Recipes, podcast updates, and practical weekly insights https://drgabriellelyon.com/sign-up/
• Apply to become a patient: Personalized care with Dr. Lyon’s clinical team https://drgabriellelyon.com/new-patient-inquiry/

Connect with Dr. Gabrielle Lyon:

• Instagram: https://www.instagram.com/drgabriellelyon/
• TikTok: https://www.tiktok.com/@drgabriellelyon
• X (Twitter): https://x.com/drgabriellelyon
• Facebook: https://www.facebook.com/doctorgabriellelyon

Chapters

00:00 - Introduction

01:30 - What a peptide is

03:40 - The first mistake: treating peptides as one category

05:50 - GLP-1s and the "peptides work" fallacy

09:30 - FDA-approved peptides: tesamorelin and s

15:40 - Repair peptides: BPC-157 and the Wolverine stack

16:30 - 544 studies, 30 humans: the evidence gap

20:00 - The strongest case for peptides

25:30 - The strongest case against peptides

29:00 - Compounded peptides and contamination risk

30:00 - What the FDA quietly did in April 2026

33:40 - The 4 questions to ask before any peptide

37:40 - The boring work that changes your life

If you found this episode valuable, share it with someone who would benefit from it.

Disclaimers: This episode includes paid sponsorships.

The Dr. Gabrielle Lyon Podcast and YouTube are for general information purposes only and do not constitute the practice of medicine, nursing, or other professional health care services, including the giving of medical advice, and no doctor/patient relationship is formed. The use of information on this podcast, YouTube, or materials linked from this podcast or YouTube is at the user's own risk. The content of this podcast is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Users should not disregard or delay in obtaining medical advice for any medical condition they may have and should seek the assistance of their health care professional for any such conditions.

Everyone on a GLP-1 is watching the scale; almost no one is watching their bones. Bone loss isn't an inevitable part of aging; it's a reversible signal that something deeper is going wrong, and it starts far earlier than most people are ever warned.

In this episode, Dr. Gabrielle Lyon sits down with Dr. Douglas Lucas, a former Stanford-trained orthopedic surgeon turned bone-health specialist, to discuss:

• Why bone loss begins around 45 during perimenopause, not 50, and why waiting for your first DEXA scan at 65 is far too late to prevent it
• The blind spots in the standard DEXA scan: a scan-to-scan margin of error near 6% and no read on bone quality, only quantity
• Bone turnover markers (CTX and P1NP) you can test from blood to see whether you're building or breaking down bone in real time
• Why the "protein is bad for bones" and "alkalize your diet" beliefs are myths and why protein, minerals, and adequate calcium matter more than calcium alone
• What rebuilds bone at home: resistance training, real impact like heel drops, and vertical vibration plates used ~10 minutes a day

Understanding your bones as a living, changeable organ system means you can catch loss early, measure it honestly, and reverse the trajectory, instead of accepting decline as your fate.

Thank you to our sponsors:

• Head to https://bit.ly/4ftfObn and use code DRLYON for 25% off sitewide. That is K-E-T-T-L-E and Fire dot com slash DRLYON, code DRLYON for 25% off. Also available at select Sprouts, Whole Foods, and Kroger locations nationwide.
• BodyHealth - Use the code LYON20 to get 20% off your first order https://bit.ly/4vZs75j
• OneSkin - Get 15% off at https://bit.ly/44XXQYy with code DRLYON

Explore More from Dr. Gabrielle Lyon

• Premium Podcast Subscription: Ad-free episodes, key takeaway summaries, exclusive Q&A, and behind-the-scenes content https://foreverstrong.supercast.com
• Weekly newsletter: Recipes, podcast updates, and practical weekly insights https://drgabriellelyon.com/sign-up/
• Apply to become a patient: Personalized care with Dr. Lyon’s clinical team https://drgabriellelyon.com/new-patient-inquiry/

Find Dr. Doug Lucas at:

• YouTube: https://www.youtube.com/@Dr_DougLucas
• Website: https://drdouglucas.com/
• Instagram: https://www.instagram.com/dr_douglucas/
• LinkedIn: https://www.linkedin.com/in/doug-lucas-b0243522/

Connect with Dr. Gabrielle Lyon:

• Instagram: https://www.instagram.com/drgabriellelyon/
• TikTok: https://www.tiktok.com/@drgabriellelyon
• X (Twitter): https://x.com/drgabriellelyon
• Facebook: https://www.facebook.com/doctorgabriellelyon

Chapters

00:00 - Introduction: Why a Stanford surgeon quit

02:00 - The 3 a.m. case that changed everything

04:35 - Bone as a dynamic organ system

06:14 - When bone loss begins

08:20 - Rejecting age-related bone loss

09:27 - Why the conventional playbook fails

10:55 - The two classes of bone drugs

14:38 - Bone quantity vs. bone quality

17:23 - Best tests for bone quality

20:52 - T-score vs. Z-score explained

26:59 - Hormones directed at bone

27:08 - Bone turnover markers P1NP and CTX

34:57 - Bone loss starts at 45, not 50

39:23 - Calcium myths and what to eat

45:42 - How to destroy your bones

50:12 - Medications that weaken bone

54:46 - Why an ultra-runner still lost bone

55:53 - Heel drops and impact training

57:54 - Vibration plates and osteogenic loading

1:12:38 - Know your starting point

If you found this episode valuable, share it with someone who would benefit from it.

Disclaimers: This episode includes paid sponsorships.

The Dr. Gabrielle Lyon Podcast and YouTube are for general information purposes only and do not constitute the practice of medicine, nursing, or other professional health care services, including the giving of medical advice, and no doctor/patient relationship is formed. The use of information on this podcast, YouTube, or materials linked from this podcast or YouTube is at the user's own risk. The content of this podcast is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Users should not disregard or delay in obtaining medical advice for any medical condition they may have and should seek the assistance of their health care professional for any such conditions.

You've eaten red meat your whole life, so why does a steak dinner suddenly leave you covered in hives at 1 AM? A single Lone Star tick bite can rewire your immune system into a delayed allergy to red meat, and most people (and even their doctors) never connect the two.

In this solo episode, Dr. Gabrielle Lyon discusses:

• Why alpha-gal reactions are delayed 2–6 hours after eating meat, and how that delay causes ER visits to be repeatedly misdiagnosed
• How your blood type changes your risk (type A and O are higher-risk; type B appears protected) and why a mismatched transfusion has proven fatal
• The simple alpha-gal IgE blood test to ask for, and what the numbers mean
• The hidden sources beyond food: gelatin, vaccines, heparin, thyroid meds, and even heart valves
• The tiered treatment approach that resolves symptoms in about 80% of patients on meat-avoidance alone

Learn to recognize a condition that's increasingly common yet widely missed, so if it's happening to you, you'll know exactly what to test for and how to get your life back. It's not all in your head.

Thank you to our sponsors:

• Cozy Earth - Go to https://bit.ly/3RLZNEv for up to 20% off!
• Timeline - Get 20% off your Mitopure order at https://bit.ly/4ptIchf
• Square - Get up to $200 off Square hardware when you sign up at https://bit.ly/4gOCfZP #squarepod

Explore More from Dr. Gabrielle Lyon

• Weekly newsletter: Recipes, podcast updates, and practical weekly insights https://drgabriellelyon.com/sign-up/
• Apply to become a patient: Personalized care with Dr. Lyon’s clinical team https://drgabriellelyon.com/new-patient-inquiry/

Connect with Dr. Gabrielle Lyon:

• Instagram: https://www.instagram.com/drgabriellelyon/
• TikTok: https://www.tiktok.com/@drgabriellelyon
• X (Twitter): https://x.com/drgabriellelyon
• Facebook: https://www.facebook.com/doctorgabriellelyon

Chapters

00:00 - Introduction

00:38 - How to spot the Lone Star tick

02:15 - Why this tick hunts you

03:40 - Where the tick is spreading now

05:10 - Diseases the Lone Star tick carries

06:30 - What alpha-gal syndrome is

08:45 - Why the reaction is delayed 2 to 6 hours

10:20 - Cofactors that make reactions worse

12:05 - Blood type and your risk level

14:30 - The transfusion danger nobody screens for

16:15 - The blood test and what the numbers mean

19:40 - Foods and hidden sources to avoid

23:10 - The three-tier treatment approach

27:00 - Hidden alpha-gal in meds, vaccines, and implants

31:20 - Preventing tick bites and getting tested

If you found this episode valuable, share it with someone who would benefit from it.

Disclaimers: This episode includes paid sponsorships.

The Dr. Gabrielle Lyon Podcast and YouTube are for general information purposes only and do not constitute the practice of medicine, nursing, or other professional health care services, including the giving of medical advice, and no doctor/patient relationship is formed. The use of information on this podcast, YouTube, or materials linked from this podcast or YouTube is at the user's own risk. The content of this podcast is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Users should not disregard or delay in obtaining medical advice for any medical condition they may have and should seek the assistance of their health care professional for any such conditions.

Everyone celebrates the weight GLP-1s take off, almost no one warns you about the volume they quietly pull out of your face and the loose skin you can't train away. The fix depends entirely on the diagnosis, and knowing which category your concern falls into is what saves you time, money, and regret.

In this episode, Dr. Gabrielle Lyon sits down with Dr. Kristy Hamilton, a board-certified plastic surgeon, to discuss:

• Why rapid GLP-1 weight loss deflates facial volume and creates loose skin and why the leaner and more muscular you get, the more visible that laxity becomes
• The muscle-sparing breast augmentation (Preserve) that gets active women back to full training in about a week, and why placing an implant in front of the muscle protects your strength
• Which skin-tightening treatments reset structure (like internal radiofrequency) versus the surface treatments and "expensive coat rack" machines that won't touch real laxity
• The real NIH data on breast implant illness and why you don't need a $30,000 detox or to have healthy tissue cut out to get relief

By the end, you'll know what rapid weight loss really does to your skin, which procedures match which problem, and how to avoid wasting money on fixes that were never going to work for your specific situation.

Thank you to our sponsors:

• Cozy Earth - Go to https://bit.ly/3RLZNEv for up to 20% off!
• Timeline - Get 20% off your Mitopure order at https://bit.ly/4ptIchf
• Square - Get up to $200 off Square hardware when you sign up at https://bit.ly/4gOCfZP #squarepod

Explore More from Dr. Gabrielle Lyon

• Premium Podcast Subscription: Ad-free episodes, key takeaway summaries, exclusive Q&A, and behind-the-scenes content https://foreverstrong.supercast.com
• Weekly newsletter: Recipes, podcast updates, and practical weekly insights https://drgabriellelyon.com/sign-up/
• Apply to become a patient: Personalized care with Dr. Lyon’s clinical team https://drgabriellelyon.com/new-patient-inquiry/

Find Dr. Kristy Hamilton at:

• Website: https://www.drkristyhamilton.com/
• Instagram: https://www.instagram.com/drkristyhamilton/
• Facebook: https://www.facebook.com/drkristyhamilton/

Connect with Dr. Gabrielle Lyon:

• Instagram: https://www.instagram.com/drgabriellelyon/
• TikTok: https://www.tiktok.com/@drgabriellelyon
• X (Twitter): https://x.com/drgabriellelyon
• Facebook: https://www.facebook.com/doctorgabriellelyon

Chapters

00:00 - Introduction: GLP-1s and the plastic surgery boom

01:53 - The dark side: losing facial volume

02:40 - Fat transfers and donor-fat products

03:10 - Alloclae and the "zombie" fat

06:04 - The Miami Thong Lift explained

11:15 - Thong lift vs. BBL recovery

13:05 - Pec muscle-sparing breast augmentation

15:30 - Behind vs. in front of the muscle

20:43 - Silicone vs. saline implants

21:39 - Breast implant illness and the NIH data

24:16 - Predatory explants and the $30K program

31:33 - Implant size and the ballerina breast

37:00 - Non-surgical tightening with Quantum RF

41:00 - Are you a candidate? The pinch test

46:43 - Why surface treatments miss the structure

1:00:12 - Collagen banking for aging skin

1:03:01 - A new non-opioid pain drug

1:15:24 - Why fit women still fight loose skin

If you found this episode valuable, share it with someone who would benefit from it.

Disclaimers: This episode includes paid sponsorships.

The Dr. Gabrielle Lyon Podcast and YouTube are for general information purposes only and do not constitute the practice of medicine, nursing, or other professional health care services, including the giving of medical advice, and no doctor/patient relationship is formed. The use of information on this podcast, YouTube, or materials linked from this podcast or YouTube is at the user's own risk. The content of this podcast is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Users should not disregard or delay in obtaining medical advice for any medical condition they may have and should seek the assistance of their health care professional for any such conditions.

The longevity world has convinced a generation of women that protein is shortening their lives. The science says they've got it backwards and the people hurt most are the ones who need protein most.

In this episode, Dr. Gabrielle Lyon breaks down the protein-and-longevity fear, steelmans the strongest case against protein, then walks through what the evidence shows:

• The RDA (0.8 g/kg) is a deficiency floor, not a target, the intake one camp calls "dangerously high" is what federal guidelines and expert groups now recommend (1.2–1.6 g/kg)
• The IGF-1–cancer link is tiny (a 3–11% risk bump vs. smoking's 1,000–2,000%), and the IGF-1–mortality curve is U-shaped: the lowest levels carry ~40% higher death risk
• Sarcopenia roughly doubles death risk (3.5× with frailty) and perimenopause stacks anabolic resistance on top, exactly when women are told to fear the foods that defend them

By the end, you'll understand the mTOR and IGF-1 science well enough that nobody online can scare you off your own dinner, plus a simple Monday-morning plan: adequate protein, front-loaded, built on minimally processed foods, with heavy lifting to match.

Thank you to our sponsors:

• BodyHealth - Use the code LYON20 to get 20% off your first order https://bit.ly/4f7ZqM5
• Our Place - Upgrade your kitchen with Our Place today. Visit https://bit.ly/4vT4cEr and use code DRYLON for 10% off sitewide. That’s F-R-O-M-O-U-R-P-L-A-C-E DOT COM / D-R-L-Y-O-N and use code DRLYON for 10% off sitewide. With a 100-day trial, you can try it completely risk-free.
• Lucy Get 20% off your next order with code DRLYON at https://lucy.co/, or find yours in store at https://bit.ly/4ybQCxH

Explore More from Dr. Gabrielle Lyon

• Premium Podcast Subscription: Ad-free episodes, key takeaway summaries, exclusive Q&A, and behind-the-scenes content https://foreverstrong.supercast.com
• Weekly newsletter: Recipes, podcast updates, and practical weekly insights https://drgabriellelyon.com/sign-up/
• Apply to become a patient: Personalized care with Dr. Lyon’s clinical team https://drgabriellelyon.com/new-patient-inquiry/

Connect with Dr. Gabrielle Lyon:

• Instagram: https://www.instagram.com/drgabriellelyon/
• TikTok: https://www.tiktok.com/@drgabriellelyon
• X (Twitter): https://x.com/drgabriellelyon
• Facebook: https://www.facebook.com/doctorgabriellelyon

Chapters

00:00 - Introduction: Is Protein Really Shortening Your Life?

02:30 - Who the Protein Fear Hurts Most

03:29 - What mTOR Is (Two Complexes)

07:29 - The RDA Deception: High vs Low Protein

12:00 - The Falcone Reanalysis of Levine 2014

16:00 - The Strongest Case Against Protein

21:00 - Why Rodent Data Isn't Human Data

26:08 - The IGF-1 Cancer Story, Link by Link

29:00 - The U-Shaped Mortality Curve

32:00 - Insulin, Carbs, and Active IGF-1

34:30 - Sarcopenia, Frailty, and Death Risk

35:55 - Perimenopause and Anabolic Resistance

38:00 - Red Meat, TMAO, and Plant Protein Myths

39:51 - The Honest Verdict: Processed Meat

44:00 - How Much Protein and Your Monday Plan

If you found this episode valuable, share it with someone who would benefit from it.

Disclaimers: This episode includes paid sponsorships.

The Dr. Gabrielle Lyon Podcast and YouTube are for general information purposes only and do not constitute the practice of medicine, nursing, or other professional health care services, including the giving of medical advice, and no doctor/patient relationship is formed. The use of information on this podcast, YouTube, or materials linked from this podcast or YouTube is at the user's own risk. The content of this podcast is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Users should not disregard or delay in obtaining medical advice for any medical condition they may have and should seek the assistance of their health care professional for any such conditions.

The parasites most Americans think of as a tropical problem are already here; showing up as fatigue, asthma, and gut issues that standard tests keep calling "normal." An estimated 1 in 20 people may carry one and never know it.

In this episode, Dr. Gabrielle Lyon sits down with Dr. Peter Hotez, a tropical-medicine physician and vaccine scientist, to discuss:

• Why toxocariasis, a worm shed by household dogs and cats, may affect 5–6% of the U.S. population, with larvae migrating through the lungs and brain
• Why standard PCR panels come back negative and which specific tests (antibody, fecal, eosinophil count) to ask for
• How to lower your risk at home, from deworming pets on a vet schedule to knowing which symptoms warrant a targeted test
• Why the popular "worm therapy for autoimmune disease" idea has the relationship backwards, worms are a leading driver of IBD and asthma, not a cure

Whether you've been told your labs are fine but still feel off, this conversation gives you a clear, evidence-based framework for what to test for and how to protect your family from infections hiding in plain sight.

Thank you to our sponsors:

• BodyHealth - Use the code LYON20 to get 20% off your first order https://bit.ly/4f7ZqM5
• Our Place - Upgrade your kitchen with Our Place today. Visit https://bit.ly/4vT4cEr and use code DRYLON for 10% off sitewide. That’s F-R-O-M-O-U-R-P-L-A-C-E DOT COM / D-R-L-Y-O-N and use code DRLYON for 10% off sitewide. With a 100-day trial, you can try it completely risk-free.
• Branch Basics - Get 15% off the Premium Starter Kit at https://bit.ly/4yNdfJ7 with the code DRLYON.

Explore More from Dr. Gabrielle Lyon

• Premium Podcast Subscription: Ad-free episodes, key takeaway summaries, exclusive Q&A, and behind-the-scenes content https://foreverstrong.supercast.com
• Weekly newsletter: Recipes, podcast updates, and practical weekly insights https://drgabriellelyon.com/sign-up/
• Apply to become a patient: Personalized care with Dr. Lyon’s clinical team https://drgabriellelyon.com/new-patient-inquiry/

Find Dr. Peter Hotez at:

• Website: https://peterhotez.org/
• Instagram: https://www.instagram.com/peterhotez/
• Book - “Science Under Siege: How to Fight the Five Most Powerful Forces that Threaten Our World” - https://a.co/d/07P0iANS

Connect with Dr. Gabrielle Lyon:

• Instagram: https://www.instagram.com/drgabriellelyon/
• TikTok: https://www.tiktok.com/@drgabriellelyon
• X (Twitter): https://x.com/drgabriellelyon
• Facebook: https://www.facebook.com/doctorgabriellelyon

Chapters

00:00 - Introduction: trust in science and nutrition

04:11 - Anti-parasitic drugs sold as snake oil

06:43 - How misinformation gets weaponized

18:23 - The turbo cancer claim debunked

24:41 - Finding experts you can trust

30:52 - Hepatitis B vaccine and how babies get infected

31:56 - The 75 vaccine myth: eight diseases to seventeen

35:42 - Why the COVID vaccine wasn't rushed

40:18 - Toxocariasis: the worm in stray dogs and cats

43:50 - Why parasite tests come back negative

45:57 - Hookworm in rural Alabama

48:05 - Eosinophils and how to test

50:21 - Worm therapy for autoimmune is backwards

54:19 - Deworming pets and family transmission

57:19 - Liver fluke and bile duct cancer

1:01:11 - Climate change and parasites in the US

1:03:16 - Lyme, ticks, and genomic surveillance

1:08:00 - Flu and COVID as cardiovascular threats

If you found this episode valuable, share it with someone who would benefit from it.

Disclaimers: This episode includes paid sponsorships.

The Dr. Gabrielle Lyon Podcast and YouTube are for general information purposes only and do not constitute the practice of medicine, nursing, or other professional health care services, including the giving of medical advice, and no doctor/patient relationship is formed. The use of information on this podcast, YouTube, or materials linked from this podcast or YouTube is at the user's own risk. The content of this podcast is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Users should not disregard or delay in obtaining medical advice for any medical condition they may have and should seek the assistance of their health care professional for any such conditions.

You might think microplastics are just an environmental nuisance that passes through your body, but the latest tissue studies tell a very different story. As a physician, Dr. Gabrielle Lyon breaks down where the science lands, past both the fear-mongering and the dismissiveness.

In this solo episode, Dr. Gabrielle Lyon discusses:

• Why over 58% of patients in a landmark NEJM study had plastic embedded in their arterial plaque and the 4.5x higher risk of heart attack, stroke, and death that came with it
• How microplastics act as a "Trojan horse," carrying endocrine-disrupting chemicals into your blood, testes, brain, and reproductive tissue
• Why perimenopause and menopause are an especially vulnerable window for plastic-driven hormone disruption
• The five low-cost "Lyon Protocol" rules to cut your exposure, starting with never microwaving plastic and letting food cool before you store it

This matters because you don't need to overhaul your life or wait twenty years for perfect data to protect your cellular health; you just need the handful of small, automated decisions that move the needle on your metabolic and hormonal baseline.

Thank you to our sponsors:

• Our Place - Upgrade your kitchen with Our Place today. Visit https://bit.ly/3RnCYH0 and use code DRYLON for 10% off sitewide. That’s F-R-O-M-O-U-R-P-L-A-C-E DOT COM / D-R-L-Y-O-N and use code DRLYON for 10% off sitewide. With a 100-day trial, you can try it completely risk-free.
• Timeline - Get 20% off your Mitopure order at https://bit.ly/4wJpFzZ
• Bon Charge - Save 15% at https://bit.ly/44bIoYx with code DRLYON

Explore More from Dr. Gabrielle Lyon

• Weekly newsletter: Recipes, podcast updates, and practical weekly insights https://drgabriellelyon.com/sign-up/
• Apply to become a patient: Personalized care with Dr. Lyon’s clinical team https://drgabriellelyon.com/new-patient-inquiry/

Connect with Dr. Gabrielle Lyon:

• Instagram: https://www.instagram.com/drgabriellelyon/
• TikTok: https://www.tiktok.com/@drgabriellelyon
• X (Twitter): https://x.com/drgabriellelyon
• Facebook: https://www.facebook.com/doctorgabriellelyon

Chapters

00:00 - Introduction

01:30 - What microplastics and nanoplastics are

03:00 - Where plastics show up inside us

04:30 - The UCSF systematic review

06:10 - Inflammation, cytokines, and thyroid

07:40 - Plastic in arterial plaque and the 4.5x risk

10:10 - The strongest skeptic arguments

13:00 - Lead, asbestos, and trans fats

14:40 - The Trojan horse for hormone disruptors

16:10 - Reproductive aging and menopause

17:50 - Where Dr. Lyon lands

19:40 - The Lyon protocol: five rules

If you found this episode valuable, share it with someone who would benefit from it.

Disclaimers: This episode includes paid sponsorships.

The Dr. Gabrielle Lyon Podcast and YouTube are for general information purposes only and do not constitute the practice of medicine, nursing, or other professional health care services, including the giving of medical advice, and no doctor/patient relationship is formed. The use of information on this podcast, YouTube, or materials linked from this podcast or YouTube is at the user's own risk. The content of this podcast is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Users should not disregard or delay in obtaining medical advice for any medical condition they may have and should seek the assistance of their health care professional for any such conditions.

You've been told that 10,000 steps a day is enough to keep you healthy but when it comes to your bones and your muscles, walking falls short, and the science explains exactly why. The real drivers of strength, bone density, and lasting health are load, intensity, and resistance, not just movement.

In this episode, Dr. Gabrielle Lyon sits down with Dr. Alyssa Olenick, a PhD in exercise metabolism and ultramarathoner who blends endurance and strength training, to discuss:

• Why the "interference effect," the fear that cardio cancels your strength gains, is overblown for almost everyone, and what causes the carryover fatigue
• How most women train too lightly, believing they're at a 9 out of 10 when they're closer to a 5, and never trigger real muscle adaptation
• Why estrogen is not the primary driver of muscle, resistance training is, and what that means through the menopause transition
• The early warning signs of low energy availability, including cycle changes that show up long before a missed period, and the rapid bone loss that follows
• How to structure strength, power, and cardio together, and fuel it properly without sabotaging recovery

You'll walk away knowing how to train for strength, power, and bone density that lasts and why being undertrained, not fragile, is the real problem for most women.

The July Forever Strong Foundations Challenge begins July 6, 2026. This 4-week challenge is designed to help you build a stronger, more energized you through sustainable nutrition, training, and lifestyle habits. Register here: https://bit.ly/4p3DW7U

Thank you to our sponsors:

• Our Place - Upgrade your kitchen with Our Place today. Visit https://bit.ly/3RnCYH0 and use code DRYLON for 10% off sitewide. That’s F-R-O-M-O-U-R-P-L-A-C-E DOT COM / D-R-L-Y-O-N and use code DRLYON for 10% off sitewide. With a 100-day trial, you can try it completely risk-free.
• Timeline - Get 20% off your Mitopure order at https://bit.ly/4wJpFzZ
• Bon Charge - Save 15% at https://bit.ly/44bIoYx with code DRLYON

Explore More from Dr. Gabrielle Lyon

• Premium Podcast Subscription: Ad-free episodes, key takeaway summaries, exclusive Q&A, and behind-the-scenes content https://foreverstrong.supercast.com
• Weekly newsletter: Recipes, podcast updates, and practical weekly insights https://drgabriellelyon.com/sign-up/
• Apply to become a patient: Personalized care with Dr. Lyon’s clinical team https://drgabriellelyon.com/new-patient-inquiry/

Find Alyssa Olenick at:

• Website: https://doclyssfitness.com/
• Instagram: https://www.instagram.com/doclyssfitness/
• The Running Ebook: https://doclyssfitness.com/running/

Connect with Dr. Gabrielle Lyon:

• Instagram: https://www.instagram.com/drgabriellelyon/
• TikTok: https://www.tiktok.com/@drgabriellelyon
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• Facebook: https://www.facebook.com/doctorgabriellelyon

Chapters

00:00 - Introduction

02:09 - Hybrid vs. concurrent training defined

05:03 - Where beginners should start

10:12 - Movement vs. exercise vs. training

11:30 - The interference effect: the boogeyman

16:55 - Nervous system fatigue and bar speed

20:07 - Why running fatigues you more than cycling

26:04 - Fuel use, fat oxidation, and the crossover

34:39 - Mitochondria and metabolic flexibility

39:13 - What we don't know about women's physiology

44:18 - Type one vs. type two muscle fibers

46:00 - Testosterone, training age, and muscle gain

48:02 - What we confidently know about women and muscle

49:43 - Estrogen is not the muscle driver

53:14 - Menstrual cycle, performance, and perception

58:03 - Training the mind, not just the body

1:02:18 - The aerobic guidelines and doing more

1:06:26 - The 2026 resistance training guidelines

1:16:49 - Squat, hinge, push, pull explained

1:22:04 - Why walking isn't enough for bone

1:26:14 - Power, plyometrics, and power-penia

1:35:33 - Programming cardio without killing gains

1:41:03 - Low energy availability and warning signs

1:47:38 - Protein and carbs for the hybrid athlete

1:53:52 - The seasons approach: spend a year lifting

If you found this episode valuable, share it with someone who would benefit from it.

Disclaimers: This episode includes paid sponsorships.

The Dr. Gabrielle Lyon Podcast and YouTube are for general information purposes only and do not constitute the practice of medicine, nursing, or other professional health care services, including the giving of medical advice, and no doctor/patient relationship is formed. The use of information on this podcast, YouTube, or materials linked from this podcast or YouTube is at the user's own risk. The content of this podcast is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Users should not disregard or delay in obtaining medical advice for any medical condition they may have and should seek the assistance of their health care professional for any such conditions.

You were told your testosterone is "normal" so why do you still feel exhausted, weak, and off? The number on your lab report was never built for you, and your own genetics may be the reason it doesn't match how you feel.

In this solo episode, Dr. Gabrielle Lyon discusses:

• Why the standard 300–1000 ng/dL range ignores your age, comorbidities, and genetics, and why two men with identical labs can feel completely different
• How CAG repeats determine whether your body "catches" the testosterone you produce, meaning you might need 400 to feel great while someone else needs 800
• Why the 80-year-old fear that testosterone fuels prostate cancer is built on a single flawed 1941 study, and what the androgen saturation model proves instead
• How everyday endocrine disruptors BPA in receipts, phthalates in personal care, atrazine in tap water quietly lower your testosterone even when you eat clean and train hard
• The correct AUA testing protocol your doctor may be skipping: two early-morning, fasted measurements plus actual symptoms, not one afternoon blood draw

Understanding how your own body uses testosterone lets you walk into your doctor's office armed with facts instead of frustration and stop being told you're "fine" when you don't feel it.

Thank you to our sponsors:

• OneSkin - Get 15% off at https://bit.ly/4ekX9gt with code DRLYON

Explore More from Dr. Gabrielle Lyon

• Premium Podcast Subscription: Ad-free episodes, key takeaway summaries, exclusive Q&A, and behind-the-scenes content https://foreverstrong.supercast.com
• Weekly newsletter: Recipes, podcast updates, and practical weekly insights https://drgabriellelyon.com/sign-up/
• Apply to become a patient: Personalized care with Dr. Lyon’s clinical team https://drgabriellelyon.com/new-patient-inquiry/

Connect with Dr. Gabrielle Lyon:

• Instagram: https://www.instagram.com/drgabriellelyon/
• TikTok: https://www.tiktok.com/@drgabriellelyon
• X (Twitter): https://x.com/drgabriellelyon
• Facebook: https://www.facebook.com/doctorgabriellelyon

Chapters

00:00 - Introduction

00:55 - Why one reference range fails everyone

01:45 - Men with normal labs who feel terrible

02:40 - Dismantling the prostate cancer myth ahead

03:40 - Testosterone decline by age data

04:30 - It's comorbidities and environment, not just age

05:10 - Endocrine disruptors and how they work

06:30 - How EDCs lower testosterone

08:00 - Common offenders and where they hide

09:00 - Receipts, atrazine, and performance apparel

10:30 - Reducing your chemical exposure

11:45 - The prostate cancer paradigm shift

12:20 - The flawed 1941 study

13:00 - The androgen saturation model

14:00 - Testosterone therapy with prostate cancer data

15:00 - What happens when you block androgens

15:45 - Androgens and brain protection

16:45 - CAG repeats and genetic variability

18:30 - The rain and buckets analogy

19:30 - AUA testing and diagnosis protocol

21:00 - Symptoms, targets, and safe monitoring

22:15 - Muscle-centric application and recap

If you found this episode valuable, share it with someone who would benefit from it.

Disclaimers: This episode includes paid sponsorships.

The Dr. Gabrielle Lyon Podcast and YouTube are for general information purposes only and do not constitute the practice of medicine, nursing, or other professional health care services, including the giving of medical advice, and no doctor/patient relationship is formed. The use of information on this podcast, YouTube, or materials linked from this podcast or YouTube is at the user's own risk. The content of this podcast is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Users should not disregard or delay in obtaining medical advice for any medical condition they may have and should seek the assistance of their health care professional for any such conditions.

The July Forever Strong Foundations Challenge begins July 6, 2026. This 4-week challenge is designed to help you build a stronger, more energized you through sustainable nutrition, training, and lifestyle habits. Register here: https://bit.ly/4gCmoNR

For 40 years you've been told 0.8 grams of protein per kilogram is "enough" but the scientists who contributed the reports behind the new 2025–2030 Dietary Guidelines say not a single study has ever shown that number beats eating more.

In this episode, Dr. Gabrielle Lyon sits down with Dr. Don Layman and Dr. Heather Leidy, the protein researchers who developed the scientific reports informing the new U.S. Dietary Guidelines, to discuss:

Why the guidelines reprioritized protein to a healthy range of 1.2–1.6 g/kg and why that still isn't technically "high protein"

Why you don't really have a protein requirement, but an essential amino acid requirement and what that means for your brain, mood, and antioxidant production

Who's quietly falling short: roughly 20% of women over 60 sit below the RDA, and adolescent girls are among the most consistently deficient

How to spot real protein on a label (Layman's 10-gram threshold) and why most "+protein" snacks are just fairy dust

What a higher-protein breakfast does to afternoon cravings, backed by fMRI brain-reward data

Walk away knowing how much protein you actually need, why "enough to avoid deficiency" and "enough to thrive" are two different numbers, and how to build every meal around protein first so you're covered on the nutrients that matter most.

Thank you to our sponsors:

OneSkin - Get 15% off at https://bit.ly/4ekX9gt with code DRLYON

Explore More from Dr. Gabrielle Lyon

Premium Podcast Subscription: Ad-free episodes, key takeaway summaries, exclusive Q&A, and behind-the-scenes content https://foreverstrong.supercast.com

Weekly newsletter: Recipes, podcast updates, and practical weekly insights https://drgabriellelyon.com/sign-up/

Apply to become a patient: Personalized care with Dr. Lyon’s clinical team https://drgabriellelyon.com/new-patient-inquiry/

Find Dr. Donald K. Layman at:

Website: https://www.metabolictransformation.com/

Instagram: https://www.instagram.com/layman.don

Connect with Dr. Gabrielle Lyon:

Instagram: https://www.instagram.com/drgabriellelyon/

TikTok: @drgabriellelyon

X (Twitter): https://x.com/drgabriellelyon

Facebook: https://www.facebook.com/doctorgabriellelyon

Chapters

00:00 - Introduction

02:00 - The biggest change in 45 years

03:36 - Why the guidelines are so controversial

06:09 - Process complaints vs. the science

08:25 - Protein was always there, just hidden

10:26 - Is 1.6g really high protein?

13:00 - Half of people are below average

13:45 - The randomized trials that say no benefit

16:57 - Why cherry-picked studies mislead

18:42 - Amino acids are essential, fiber isn't

21:17 - Does protein only matter with lifting?

33:33 - Nitrogen balance and its blind spot

40:02 - The carbohydrate RDA everyone ignores

47:37 - The nine essential amino acids

49:49 - Why aging makes deficiency worse

53:36 - Going below 50% animal protein

58:25 - Protein quality and carbohydrate dilution

1:04:34 - Hitting protein when you're small

1:08:53 - High-protein breakfast and the teen brain

1:10:19 - fMRI: blunted food cravings

1:18:40 - The saturated fat sticking point

1:26:30 - The 10% number from thin air

1:40:17 - Is protein in everything fairy dust?

1:46:42 - Smart high-protein snacks

If you found this episode valuable, share it with someone who would benefit from it.

Disclaimers: This episode includes paid sponsorships.

The Dr. Gabrielle Lyon Podcast and YouTube are for general information purposes only and do not constitute the practice of medicine, nursing, or other professional health care services, including the giving of medical advice, and no doctor/patient relationship is formed. The use of information on this podcast, YouTube, or materials linked from this podcast or YouTube is at the user's own risk. The content of this podcast is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Users should not disregard or delay in obtaining medical advice for any medical condition they may have and should seek the assistance of their health care professional for any such conditions.