Women’s Fitness Needs Debate: Dr. Stacey Sims vs. Dr. Lauren Colenso-Semple

Are women really being trained the wrong way? In this episode of the Docs Who Lift Podcast, Dr. Spencer Nadolsky and Dr. Karl Nadolsky welcome exercise physiologists Dr. Stacey Sims and Dr. Lauren Colenso-Semple for a high-level yet practical debate on women’s unique fitness and nutrition needs.

We covered:

Fasted training

Protein timing

and many more fitness topics!

Hear Dr. Lauren Colenso-Semple and Dr. Stacy Sims discuss outcomes versus mechanisms and much more

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With decades of combined research and clinical expertise, Dr. Sims and Dr. Colenso-Semple break down what the science really says about training women.

👉 If you’re a woman looking to optimize your workouts, a coach wanting to better support female clients, or just curious about how science views gender differences in fitness, this debate is packed with insights you won’t want to miss.

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🔔 Subscribe for more science-based discussions on weight loss, fitness, GLP-1 medications, obesity medicine, and evidence-based health.

00:00 – Intro: Docs Who Lift Podcast Begins
00:43 – Guest Introductions: Dr. Stacey Sims & Dr. Lauren Colenso-Semple
02:05 – Are Women’s Fitness Needs Different From Men’s?
06:40 – Should Women Train in a Fasted State?
11:07 – What Does the Research Actually Show?
18:22 – How Does Feeding vs. Fasting Affect Hormones?
27:05 – Does Protein Timing Matter for Women?
34:45 – What Is Low Energy Availability?
47:51 – Do Women in Perimenopause Need Heavier Lifts?
55:20 – Should Training Be Adjusted Around the Menstrual Cycle?
1:02:15 – Closing Thoughts and Takeaways