The Truth About GLP-1s & Muscle Loss | SOLO

The Dr. Tyna Show

Dr. Tyna Moore

Alternative Health, Health & Fitness

4.9 • 1.7K Ratings

🗓️ 4 June 2026

⏱️ 65 minutes

🔗️ Recording | iTunes | RSS

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Summary

In this episode, I'm breaking down the difference between lean mass loss and actual muscle loss, where the widely repeated “40% muscle loss” claim came from, and what the latest research really shows. I also dive into metabolic dysfunction, fatty infiltrated muscle, anabolic resistance, strength training, protein intake, and why muscle quality matters far more than most people realize. If you've been worried about losing muscle on a GLP-1, are currently taking one, or simply want to better understand the science behind weight loss, body composition, and long-term health, this episode is for you. Topics Discussed: → Do GLP-1s Actually Cause Muscle Loss? → The Truth About Lean Mass vs Muscle Mass → Where The 40% Muscle Loss Myth Came From → Why Metabolic Health Matters For Muscle → How To Preserve Muscle While Losing Weight → Why Strength Training Is Non-Negotiable → Protein, Aging & Anabolic Resistance → What The Newest GLP-1 Studies Reveal Sponsored By: → Sunlighten | Learn more at https://sunlighten.com/drtyna and use code DRTYNASHOW to save up to $2,100 and get free shipping with your sauna purchase. → Timeline | Timeline’s clinically proven formula is now available at a new, lower price. Mitopure now starts at $79, when you go to https://timeline.com/drtyna → Cheers | For a limited time our listeners are getting 20% off their entire order at https://CheersHealth.com/DRTYNA #Cheers #ad → ENERGYbits | Fuel your body with ENERGYbits, single-ingredient spirulina & chlorella superfoods. Just $1/day when you use code DTS for 20% off at https://ENERGYbits.com → Sundays | Make the switch to Sundays. Go right now to https://sundaysfordogs.com/DRTYNA50 and get 50% off your first order. Or, you can use code DRTYNA50 at checkout. → BIOptimizers | For an exclusive offer, go to https://bioptimizers.com/drtyna and use code DRTYNA for 15% off + a FREE MassZymes bottle. Limited time, while supplies last. → Puori | Go to https://puori.com/DRTYNA and use the code DRTYNA at checkout to get 32% off your first Puori Grass-fed Whey Protein subscription order and get a free premium shaker bottle.On This Episode We Cover: → 00:00:00 - Introduction → 00:01:18 - The 40% Muscle Loss Myth → 00:03:27 - Pathologic Muscle + Metabolic Dysfunction → 00:06:35 - Why GLP-1s Are Being Misunderstood → 00:09:18 - Why Strength Training Is Non-Negotiable → 00:15:15 - Lean Mass vs Muscle Mass → 00:16:15 - How GLP-1s Affect Inflammation + Immune Health → 00:18:12 - How Obesity Damages Muscle Quality → 00:19:18 - New Research On GLP-1s + Muscle Function → 00:20:57 - Why Muscle Quality Matters More Than Quantity → 00:22:48 - How GLP-1s May Remodel Muscle Tissue → 00:25:27 - Strength Loss, Weight Loss + Performance → 00:27:10 - Bone Density + Weight Loss Concerns → 00:28:24 - Building Bone Through Strength Training → 00:37:07 - Recovery, Stress + Muscle Preservation → 00:38:33 - Sauna Recovery + Sunlighten → 00:42:12 - Glutes, Longevity + Metabolic Health → 00:48:15 - What The Latest Human Data Shows → 00:50:18 - Anabolic Resistance + Aging → 00:55:27 - What The Latest Meta-Analysis Shows → 00:57:54 - How GLP-1s May Improve Muscle Biology → 00:59:42 - Final Takeaways On GLP-1s + Muscle Loss Studies: → Muscle Loss And Glp-1r Agonists Use → Weight Loss With Glp-1 Medicines Does Not Result In A Disproportionate Loss Of Muscle Mass Or Function In Obese Mice And HumansFurther Listening: → GLP-1s + Peptides Are Changing Fast, Here’s What You Need To Know → EP. 104: Fatty Liver 101 | Solo Episode → Orthopedic Medicine is a Scam PT. 3 | Osteoarthritis is Diabetes of the Joint Disclaimer: Information provided in this podcast is for informational purposes only. This information is NOT intended as a substitute for the advice provided by your physician or other healthcare professional, or any information contained on or in any product. Do not use the information provided in this podcast for diagnosing or treating a health problem or disease, or prescribing medication or other treatment. Always speak with your physician or other healthcare professional before taking any medication or nutritional, herbal or other supplement, or using any treatment for a health problem. Information provided in this blog/podcast and the use of any products or services related to this podcast by you does not create a doctor-patient relationship between you and Dr. Tyna Moore. Information and statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent ANY disease.

Transcript

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0:00.0	You are tuned into the Dr. Tina Show with Dr. Tina Moore. For more, visit Dr. Tina.com.
0:06.7	On this episode of the Dr. Tina show, we're going to have a conversation about GLP1s and muscle loss and why the story you have been told is completely wrong.
0:16.5	So let's get into it. All right. So I cannot listen to it anymore. I cannot listen to well-educated
0:23.2	physicians throw around this 40% muscle loss misinformation. And it is absolute misinformation.
0:29.9	And I'm going to tell you why. If you are a strength and conditioning coach, if you're a chiropractor,
0:34.9	if you are anybody who studied the musculoskeletal system,
0:37.7	and I'm going to let MDs and naturopathic doctors off the hook because no disrespect,
0:42.9	but they are notoriously terrible with their anatomy. If you're any of the prior that I just
0:48.3	mentioned and you're going around throwing out that JAMA study stat of 40% muscle loss, you are spreading misinformation. And I want to
0:58.3	set the record straight so that we all are on the same playing field. I hope everyone listens to
1:02.8	this episode. I hope you send it, literally send it to everybody you know, send it to everybody.
1:07.4	Because that information is not only totally wrong, but it's dangerous. And here's
1:13.6	why. That was lean mass loss. Virtually every study that we look at is lean mass loss.
1:22.8	Lean mass is all of your soft tissues in your body. It's your organs. It's part of your nervous system.
1:29.3	It's your liver, which is a huge part of your organ system. It's your skeletal muscle too,
1:34.4	but your skeletal muscle makes up roughly 45 to 50% of your lean mass. So that 40% muscle loss,
1:42.5	that is a misinterpretation of the data.
1:45.4	And it is a stat that started way back when a certain famous celebrity longevity doctor
1:51.9	who happened to end up on the Epstein list as well recently was on the Megan Kelly show
1:57.8	and he said 40% of my patients are or my patients are losing 40% of their muscle
2:02.2	mass. And then that myth was perpetuated by a couple other big name doctors and a big Maha leader
2:10.0	and other people who just couldn't let that number go. That was lean mass loss, you guys.
	...

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