The Peter Attia Drive

The Peter Attia Drive

#398 ‒ AMA #86: GLP-1 RAs and muscle loss: new data, better questions, and how to preserve muscle during weight loss

Jun 29, 2026 · 09:56

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✨ AI Summary

Examined lean mass loss during GLP-1 RA treatment and compared it to other weight loss methods.
Discussed potential misleading measurements of lean mass on DEXA scans.
Highlighted the effects on bone mass, fracture risk, and functional outcomes.

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