What’s the truth about protein, strength training, and women’s health past 40?

Michelle MacDonald is joined by world-renowned muscle metabolism expert, Dr. Stuart Phillips, a leading researcher from McMaster University. They dive deep into what women over 40 need to know about muscle loss, optimal protein intake, and the truth about strength training. Dr.Phillips shares the science behind aging and metabolism, dispels persistent fitness myths, and explains how to actually preserve muscle and stay powerful into your fifties and beyond. The duo share tips for anyone serious about cultivating a healthy mindset, building a fitness mindset, and pursuing sustainable personal growth through evidence-based training and nutrition.

Favorite Moments:
0:12 Why most women aren't lifting — and why that’s a bigger problem

6:43 The real recommended protein intake for women over 40

13:56 What the research actually says about 40g of protein post-workout

33:11 The quality of life case for building strength and power after 40

"I'm more afraid of women not lifting weights at all than I am of them lifting the wrong way."

GUEST: DR. STUART PHILLIPS

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Dr. Stuart Phillips is a distinguished professor and Tier 1 Canada Research Chair in Skeletal Muscle Health at McMaster University. His research focuses on how nutrition and exercise impact skeletal muscle protein turnover, especially in the context of aging and sarcopenia. He is also the director of the Physical Activity Centre of Excellence (PACE) and the McMaster Centre for Nutrition, Exercise, and Health Research.

CONNECT WITH MICHELLE

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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.

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