Research · updated weekly

New GLP-1 and muscle research, every week

Each week we scan PubMed and Europe PMC for new studies on GLP-1 medications and muscle, lean mass, protein, and training, then summarize the relevant ones with a link to every source. Neutral summaries, not medical advice.

Week of July 5-11, 2026

GLP-1 and muscle research: July 5-11, 2026

This large systematic review and network meta-analysis of 262 randomized trials (nearly 100,000 participants) compared 19 obesity drugs on 24 outcomes. At one year, tirzepatide pro

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