What if the problem isn’t discipline, but outdated health advice?

Michelle MacDonald sits down with Dr. Gabrielle Lyon, board-certified physician and leading voice in muscle-centric medicine. Dr. Lyons explains why muscle, not weight, is the foundation of healthy aging for women. They cover protein targets, carb tolerance, type II muscle fibers, and why strength training matters for lifelong independence.

Favorite Moments

• 1:41 Muscle Is Agency, Not Just Fitness
• 7:10 Why Muscle-Centric Protein Guidelines Changed
• 35:56 How Muscle Determines Carbohydrate Tolerance
• 40:00 Type II Muscle Fibers: The Strength Women Lose First

“Muscle isn’t about fitness. It’s about agency.”- Dr. Gabrielle Lyon

GUEST: DR. GABRIELLE LYONS, BOARD-CERTIFIED PHYSICIAN SPECIALIZING IN MUSCLE HEALTH, AGING, AND LONGEVITY

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Full Guest Bio:
Dr. Gabrielle Lyon delivers science-backed strategies to help people build strength, energy, and resilience so they can perform at their best at work, home, and in life. Featured on Diary of a CEO, Huberman Lab, and the TEDx stage, she also hosts The Forever Strong Summit. A Wall Street Journal, USA Today, and New York Times best-selling author, Dr. Lyon is trusted by organizations including John Hancock, Keller Williams Realty, Shaklee, Parker Seminars, and Oprah Daily.

CONNECT WITH MICHELLE

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Full Michelle Bio:
Michelle MacDonald is the creator of the FITNESS MODEL BLUEPRINT™ and host of the Stronger By Design™ podcast. Known globally for her transformation programs, Michelle empowers women to redefine aging through evidence-based strength training, nutrition, and mindset practices. Since 2012, she has coached thousands of women online, leveraging her expertise as a Physique Champion and ISSA Strength and Conditioning Specialist. She co-founded Tulum Strength Club and established The Wonder Women (TWW), inspiring countless transformations including her mother, Joan MacDonald (Train With Joan™). Michelle continues to lead the charge in women's fitness, launching the Stronger by Design™ fitness app in fall 2024.

Where to Watch/Listen:

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