The Dr. Gabrielle Lyon Show

I’m joined by Dr. Heather Hirsch to debunk the persistent myths surrounding hormone replacement therapy and explain why the 2002 Women’s Health Initiative data was so widely misinterpreted. We discuss how optimized estrogen, progesterone, and testosterone levels can protect your heart, bones, and brain health, helping you move past "normalized suffering" and into a proactive state of longevity. Whether you are in perimenopause or well past the ten-year window, you'll learn how to navigate personalized dosing and clinical data to reclaim your vitality and extend your health span.
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Get Dr. Heather Hirsch’s book, “The Perimenopause Survival Guide” here:
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📺Watch the “Dr. Gabrielle Lyon Show” every Tuesday at 9AM EST:
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⏰Timestamps:
0:00 Intro of Show
6:00 Hormone Replacement Therapy: Where Are We Now?
11:25 What is Menopausal Hormone Therapy?
13:39 How Safe is Hormone Replacement Therapy?
18:39 Access on the Studies on HRT
23:10 Risks of Hormone Replacement Therapy
27:24 Estrogen Does Not Cause Breast Cancer
31:19 Estrogen and Accelerated Bone Loss
34:51 Preventative Benefits of Estrogen
38:47 Lifespan vs. Health Span
39:22 When to Start Hormone Replacement Therapy?
45:15 Blood Markers
47:26 Progesterone: Effects, Timing, Dosage
52:38 Testosterone: Effects, FDA Approval, Benefits, Risks
1:00:44 Analysing the Numbers
1:04:13 Link of HRT and Cognitive Function
1:09:28 What Are Women Doing Wrong?

‼️Disclaimer: 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.

This episode includes paid sponsorships.

Male fertility is declining, and most men have no idea why.
In this episode of The Dr. Gabrielle Lyon Show, Dr. Gabrielle Lyon sits down with Dr. Michael Eisenberg, Director of Male Reproductive Health at Stanford University and Chief Medical Advisor of SwimClub, to break down what truly determines sperm health and reproductive success.
They discuss:
How metformin, GLP-1 medications, testosterone therapy, and anabolic steroids affect male fertility
Why sperm count is a powerful biomarker for long-term health and longevity
The role of sleep, muscle mass, exercise, diet, marijuana, and environmental toxins like microplastics
Whether platelet-rich plasma, or PRP, can help severe male infertility
Daily habits that quietly reduce a couple’s chances of conceiving

If you care about fertility, hormones, metabolic health, or the future of men’s health, this conversation is essential.
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Find Dr. Michael Eisenberg at:
Eisenberg Lab: https://med.stanford.edu/eisenberglab.html
LinkedIn: https://www.linkedin.com/in/michael-eisenberg-9230a429
X: https://x.com/DrMEisenberg

Find Dr. Gabrielle Lyon at:
Instagram:@drgabriellelyon
TikTok: @drgabriellelyon
Facebook: facebook.com/doctorgabriellelyon
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Join my weekly newsletter – https://institute-for-muscle-centric-medicine.ck.page
Order my new book - https://www.amazon.com/exec/obidos/ASIN/1668085623

Chapters:
00:00 Sex habits, libido, GLP-1s, and what counts as male infertility
01:46 Metformin and male fertility, what the Denmark study found
07:27 How long sperm take to regenerate after meds, illness, or chemo
09:24 GLP-1 medications, weight loss, and semen quality in men
10:52 Testosterone therapy, anabolic steroids, and why sperm shuts down
16:41 Sperm as a vital sign, fertility as a window into long term health
19:14 Microplastics and environmental toxins found in semen
22:21 Paternal age and sperm quality, DNA fragmentation and pregnancy risk
26:03 Supplements and nutrients for sperm quality, what matters and why
30:00 Sex frequency, masturbation, libido, and fertility myths
35:38 Male infertility guidelines and medications that quietly lower fertility
48:41 Semen quality and future disease risk, diabetes, cancer, mortality
54:45 Anabolic agents, sperm banking, and how long frozen sperm lasts
1:04:14 PRP for severe male infertility, azospermia and real outcomes
1:16:41 New frontiers in male fertility, immune profiles, genomics, omics

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.

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Self-doubt holds more people back than lack of skill or intelligence.
In this episode, Dr. Gabrielle Lyon sits down with Dr. Shadé Zahrai to explore the science of confidence, self-trust, and peak performance. They break down why confidence comes after action, how self-image shapes success, and the four psychological drivers that determine whether you thrive or stay stuck.
You will learn how body language influences perception, why high performers plan for failure, how perfectionism leads to burnout, and the subtle communication habits that undermine credibility. Most importantly, you will discover how to build what Dr. Zahrai calls Big Trust so you can back yourself before you feel ready.
If you struggle with overthinking, imposter thoughts, or feeling capable but not fully confident, this conversation will give you practical tools to change how you show up.
CHAPTERS
00:00 Confidence science: feeling vs appearing
00:51 The opposite of self-doubt and why confidence comes after action
01:53 Self-trust before confidence
03:03 Nonverbal confidence cues: posture, eye contact, smile, pace
07:30 Body language feedback loop: posture and recall
09:26 Shadé’s PhD on self-doubt under pressure
12:22 What makes people successful: self-image
12:30 Self-image blueprint and why change does not stick
14:29 The Four A’s: Acceptance, Agency, Autonomy, Adaptability
20:26 The self-awareness gap and changing personality traits
22:30 Expectation bias and the scar experiment
25:54 Self-doubt types: signal vs verdict
28:30 Visibility, influence, and the people around you
31:16 Which traits are easiest to change
35:56 Why capable people still stay stuck
40:25 Michael Phelps and visualizing failure recovery
42:30 Stop rumination: stimulus control for worry
47:45 Self-improvement vs perfectionism vs burnout
56:53 The 4 inner deceivers: Judge, Protector, Neglecter, Ringmaster
1:11:22 Peak performance and Big Trust
1:19:19 Communication habits that kill credibility
1:24:18 Stop over-apologizing and reframe emotion
1:29:47 Daily habits to build Big Trust and audit your circle
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Find Dr. Dr. Shadé Zahrai at:
IG: https://www.instagram.com/shadezahrai/
YouTube: https://www.youtube.com/shadezahrai
Big Trust by Dr. Shadé Zahrai gives you the tools to quiet self-doubt and step forward with clarity, agency, and confidence. Get your copy here: https://www.amazon.ca/Big-Trust-Self-Doubt-Confidence-Success/dp/0063378159

Find Dr. Gabrielle Lyon at:
Instagram: @drgabriellelyon
TikTok: @drgabriellelyon
Facebook: facebook.com/doctorgabriellelyon
YouTube: youtube.com/@DrGabrielleLyon
X (Twitter): x.com/drgabriellelyon
Apply to become a patient – https://drgabriellelyon.com/new-patient-inquiry/
Order my new book - https://www.amazon.com/exec/obidos/ASIN/1668085623

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.

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This episode brings together standout moments from The Forever Strong Experience, packed into one powerful episode.
Featuring highlights from:
Dr. Mark Hyman – Founder of the Cleveland Clinic Center for Functional Medicine, co-founder and CMO of Function Health, director of The UltraWellness Center, host of The Dr. Hyman Show (300M+ downloads), and 15x New York Times bestselling author, including Young Forever and Food Fix Uncensored.
Layne Norton, PhD – Nutritional scientist, 4x USA Powerlifting National Champion and 2024 IPF M1 World Champion (93kg), record-setting deadlifter, coach to 1,700+ clients, and founder of Outwork Nutrition.
Michelle Shapiro, RD – Integrative/functional dietitian who helps clients reverse anxiety, heal complex gut and immune issues, and approach weight with compassion. Host of the Quiet the Diet podcast.
Alan Aragon, MS – Veteran nutrition researcher, co-author of 30+ peer-reviewed papers (including JISSN’s most-viewed article), ISSN Position Stand lead author, and founder of Alan Aragon’s Research Review and the Fit Advancement Mentorship (FAM).

In this mashup, they break down:
How to eat for long-term metabolic and muscle health
Why protein and resistance training are non-negotiables as you age
The role of stress, mindset, and past experiences in how you eat and feel
What it really means to be “forever strong” in body and mind

Perfect if you’re tired of conflicting nutrition advice and want clear, evidence-based guidance you can actually use.
Thank you to our sponsors:
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Four Sigmatic - Go to http://foursigmatic.com/gabrielle for a free bag of their dark roast ground coffee (just pay for shipping & handling).
Cozy Earth - Go to https://www.cozyearth.com/DRLYON for up to 20% off!

Chapters:
00:00:00 The truth about nutrition
00:01:06 Why is it so hard to follow health advice?
00:03:07 What actually holds people back from progress?
00:05:26 When “clean eating” backfires
00:05:57 The nutrition “rule” that does more harm than good
00:06:37 Why medicine got obsessed with BMI and fat
00:08:47 Body composition fundamentals: what to do first
00:10:53 “Rules” for better body composition (practical guidelines)
00:13:20 Do you have to lift heavy to build muscle?
00:16:24 Strength vs hypertrophy: what matters most as you age
00:17:46 Sponsor: Our Place + What if muscle were taught as an organ system?
00:20:14 Is obesity actually the root cause?
00:21:24 Midlife: why “nothing’s working” (what’s really happening)
00:23:21 Is it metabolic change or lifestyle, sleep, and stress?
00:28:40 The most impactful shift for a muscle-centric nutrition plan
00:30:44 Food anxiety: can you scare yourself into being fit?
00:32:41 Digestion and absorption: making a muscle-centric lifestyle work
00:33:42 The truth about nutrition: eat real food, food is medicine, personalize
00:36:23 Sponsor: Four Sigmatic + Biggest myths in training and nutrition
00:44:06 One thing to stop doing immediately
00:45:31 Stress and the nervous system: how it affects digestion
00:46:29 Practical tips for staying consistent under high stress
00:48:09 The danger of sarcopenia (where we’re headed)
00:50:14 Midlife expectations: slower progress, better strategy
00:53:52 The long-term impact of eliminating food groups
00:55:04 Healing vs cutting foods: what to do instead
00:57:15 Sponsor: Cozy Earth + The myth you wish would die
01:01:21 Travel: how to create “safety” and stay fed
01:02:37 The airport backup plan (the “oh no” foods list)
01:04:49 Expected challenges: planning so you don’t act surprised
01:06:03 Boundaries and resistance training: what’s the standard?
01:07:43 Mindset, trauma, and wellness (ACE questionnaire)
01:13:13 Final question: What does “Forever Strong” mean to you?

Find Dr. Mark Hyman: https://www.instagram.com/drmarkhyman/
Find Layne Norton: https://www.instagram.com/biolayne/
Find Michelle Shapiro: https://www.instagram.com/michelleshapirord/
Find Alan Aragon https://www.instagram.com/thealanaragon/

Find Dr. Gabrielle Lyon at:
Instagram: @drgabriellelyon
TikTok: @drgabriellelyon
Facebook: facebook.com/doctorgabriellelyon
YouTube: youtube.com/@DrGabrielleLyon
X (Twitter): x.com/drgabriellelyon
Apply to become a patient – https://drgabriellelyon.com/new-patient-inquiry/
Order The Forever Strong PLAYBOOK - https://drgabriellelyon.com/playbook/

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In this episode, Dr. Gabrielle Lyon sits down with Dr. Donald Layman, one of the world’s leading protein researchers and a key contributor to the newly released U.S. Dietary Guidelines. They explore why the old food pyramid failed, how nutrition science became driven by ideology instead of evidence, and what the updated guidelines finally get right about protein, fats, and carbohydrates. Dr. Layman explains why the long-standing protein recommendation of 0.8 g/kg was never intended for optimal health and how higher protein intake supports body composition, metabolic health, and nutrient adequacy.
The conversation also dives into controversial topics including saturated fat, carbohydrate tolerance, animal versus plant protein, and the limitations of epidemiology in nutrition research. Gabrielle and Dr. Layman discuss how dietary guidelines shape school lunches, hospitals, and public institutions, and why a protein-first framework empowers individuals to make better nutrition decisions, especially as we age. This episode offers a clear, science-backed roadmap for understanding modern nutrition — cutting through misinformation and outdated dogma to focus on strength, longevity, and real-world application.
Thank you to our sponsors:
Timeline - Get 35% off a Mitopure subscription at https://www.timeline.com/drlyon
Bon Charge - Save 15% at https://boncharge.com/ with code DRLYON
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Chapters:
00:00 Why Dietary Guidelines Exist and Why This Moment Matters
01:20 The Hidden Origins of the Food Pyramid (World War II + Public Health)
02:55 The Original Protein RDA: A Basement Number, Not Optimal Health
05:50 Why the Old Guidelines Focused on What Not to Eat
07:25 Why Protein Was Avoided for Decades
08:50 Nitrogen Balance: Why It Never Predicted Health Outcomes
11:10 Epidemiology vs Controlled Trials in Nutrition Science
13:05 How the Protein Evidence Was Evaluated for the New Guidelines
14:15 Why Higher Protein Improves Weight, Fat Loss, and Lean Mass
15:35 Is “Too Much Protein” Actually Dangerous?
16:40 Nutrient Deficiencies Risk on Low-Protein Diets
17:35 Animal vs Plant Protein: Bioavailability and Amino Acids
18:45 Why 0.8 g/kg Was Never Better Than Higher Protein
20:15 Empowering Consumers Instead of One-Size-Fits-All Nutrition
21:10 How Guidelines Shape School Lunches, Hospitals, and the Military
23:05 Protein-First Meal Planning Explained
24:50 Why the First Meal Matters More as You Age
27:15 Does Protein Distribution Matter After 50?
30:00 Protein, Satiety, and Appetite Control
31:05 Why “Ounce Equivalents” Between Plant and Animal Protein Don’t Work
34:05 The Saturated Fat Myth and Why the 10% Rule Persists
38:30 Where Saturated Fat Really Comes From in the Modern Diet
39:45 Updated Fruit, Vegetable, and Grain Recommendations
40:45 Carbohydrate Tolerance and Energy Needs
42:45 Why RDAs, DRIs, and Guidelines Create Confusion
44:20 Politics, Institutions, and Resistance to Change
46:10 Why These Guidelines Are Different This Time
47:25 Science Over Ideology: What the Report Gets Right
48:35 Where to Find the Full Guidelines and Supporting Evidence
50:50 Final Takeaway: Protein as the Organizing Principle of Nutrition

Find Dr. Layman on X: https://x.com/donlayman
Find Dr. Gabrielle Lyon at:
Instagram: @drgabriellelyon
TikTok: @drgabriellelyon
Facebook: facebook.com/doctorgabriellelyon
YouTube: youtube.com/@DrGabrielleLyon
X (Twitter): x.com/drgabriellelyon
Apply to become a patient – https://drgabriellelyon.com/new-patient-inquiry/
Order The Forever Strong PLAYBOOK - https://drgabriellelyon.com/playbook/

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.