Protecting Muscle Mass During Fasting | Peter Attia, M.D.
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Creator description · original textText language: English
This clip is from episode 353 - AMA #72: Fasting: benefits for body composition and disease prevention, potential risks, and Peter’s updated practical framework
In this clip, they discuss:
- Nobody Wants to Lose Muscle – The conversation opens by challenging the myth that all weight loss is good, pointing out that losing muscle is never the goal
- Extended Fasting for Fat Loss – A patient successfully used a cycle of five-day fasts followed by 25 days of a calorie-restricted diet to steadily lose weight and improve metabolic health
- Post-Fast Diet Makes or Breaks Results – The weight loss benefits of fasting are often lost if a person resumes poor eating habits after the fast
- Fasting as a Reset Tool – Fasting can serve as a metabolic reset when used to transition into healthier long-term eating patterns
- Fat Loss vs. Lean Mass Loss – The discussion ends with a question about how much weight is lost during fasting is from fat vs. muscle
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About:
The Peter Attia Drive is a deep-dive podcast focusing on maximizing longevity, and all that goes into that from physical to cognitive to emotional health. With over 90 million episodes downloaded, it features topics including exercise, nutritional biochemistry, cardiovascular disease, Alzheimer’s disease, cancer, mental health, and much more.
Peter Attia is the founder of Early Medical, a medical practice that applies the principles of Medicine 3.0 to patients with the goal of lengthening their lifespan and simultaneously improving their healthspan.
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Peter Attia MD · 2 min · Source published: 2025-06-20
Added to Harbor: 10/23/2026
Original on YouTube ↗Automatically categorized source. Creator statements are not an independent evidence review or personal medical guidance.