The Truth About Muscle, Protein, and Living Longer | Dr. Gabrielle Lyon episode artwork

EPISODE · Jun 12, 2026 · 1H 16M

The Truth About Muscle, Protein, and Living Longer | Dr. Gabrielle Lyon

from The School of Greatness · host Lewis Howes, Dr. Gabrielle Lyon

You're not over-fat. You're under-muscled. That single reframe changes how you think about your weight, your energy, and how well you'll age. Dr. Gabrielle Lyon, a fellowship-trained geriatrician and the founder of muscle-centric medicine, has spent her career arguing that we've fixated on the wrong organ. Obesity, insulin resistance, even cognitive decline don't start where you think. They start in your muscle. She breaks down why muscle is your metabolic currency, your body armor, and the closest thing we have to a longevity drug. And why the protein advice most people follow was set during wartime rationing, not built for the life you're trying to live. The hard part isn't the science. It's that the changes stay subtle until one day they're not. This conversation will make you rethink every plate of food and every workout you skip. Forever Strong: A New, Science-Based Strategy for Aging Well Amazon Ebook Audiobook Dr. Lyon on Instagram Dr. Lyon on YouTube DrGabrielleLyon.com In this episode you will: Discover why your muscle, not your body fat, is the real driver of metabolic health and survival Learn the leucine meal threshold and the protein number to hit at your first meal Understand anabolic resistance and why you need more protein, not less, as you age Uncover where the 0.8g/kg protein guideline actually came from and why it falls short Rethink cardio versus resistance training and build a plan that protects muscle for life For more information go to https://lewishowes.com/1940 For more Greatness text PODCAST to +1 (614) 350-3960 Follow The Daily Motivation for essential highlights from The School of Greatness More SOG episodes we think you’ll love: Dr. Mark Hyman Dr. William Li Glucose Goddess TOPICS muscle-centric medicine, skeletal muscle, protein and longevity, leucine threshold, anabolic resistance, sarcopenia, insulin resistance, healthy aging, Dr. Gabrielle Lyon Get More From Lewis! Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Dr. Gabrielle Lyon, fellowship-trained geriatrician and founder of muscle-centric medicine, mentored for two decades by protein researcher Dr. Donald Layman of the University of Illinois, explains why skeletal muscle, not body fat, governs glucose disposal, metabolic health, and longevity. Covers the leucine meal threshold, anabolic resistance, sarcopenia, myokines including interleukin-6 and BDNF, the WWII nitrogen-balance origins of the 0.8g/kg protein RDA, and the GRADE-system red meat analysis published in Annals of Internal Medicine.

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The Truth About Muscle, Protein, and Living Longer | Dr. Gabrielle Lyon

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This episode was published on June 12, 2026.

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You're not over-fat. You're under-muscled. That single reframe changes how you think about your weight, your energy, and how well you'll age. Dr. Gabrielle Lyon, a fellowship-trained geriatrician and the founder of muscle-centric medicine, has spent...

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