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Muscle & Performance Peptides

Follistatin-344 in 2026: Myostatin Inhibition, the BELIEVE Trial & GLP-1 Muscle Loss

Michael Court
September 28, 2026
7 min read

GLP-1 drugs melt fat, but a lot of what comes off is muscle. Here is what the BELIEVE trial, bimagrumab, and follistatin-344 research actually show about stopping it.