
The Latest GLP-1 Science on Muscle Loss, Fat Loss, and Weight Regain | Ep 461
From Wits & Weights | Strength Training & Fat Loss Over 40 by Philip Pape | Strength Training & Fat Loss Over 40
April 21, 2026 · 32 min · Episode 461
About this episode
This episode discusses the effects of GLP-1 drugs on fat loss, muscle retention, and long-term safety based on recent trials.
What REALLY happens when you take a GLP-1 drug? Your fat loss, your muscle, your heart, your inflammation, what happens to your weight when you stop, and long-term safety. This episode covers body composition data from the 2026 semaglutide and tirzepatide trials, cardiovascular outcomes from SELECT and SURPASS-CVOT, inflammation findings beyond weight loss, weight regain patterns after stopping, and a 5-part framework to keep muscle on or off the drug after 40. Plus the 2026 safety upda...
People in this episode
Host: Philip Pape
Topics covered
- GLP-1 drugs
- muscle loss
- fat loss
- weight regain
- body composition
- cardiovascular outcomes
- long-term safety
Keywords
- GLP-1
- muscle loss
- fat loss
- weight regain
- semaglutide
- tirzepatide
- cardiovascular health
- inflammation
- body composition
- safety update
Mentioned in this episode
Organizations: SELECT, SURPASS-CVOT
Products: GLP-1 drug, semaglutide, tirzepatide
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