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Understanding Muscle Changes During GLP-1 Treatment

What current human and imaging data show about lean mass, muscle quality, and physical function during GLP-1 treatment.

Naveen Sankar S's avatar
Naveen Sankar S
Jan 29, 2026
∙ Paid

Current evidence suggests GLP-1 receptor agonists lead to modest reductions in absolute muscle mass that track with overall weight loss, while muscle quality, metabolic efficiency, and functional performance are largely preserved or improved.

Study Details

GLP-1 receptor agonists have reshaped treatment for obesity and type 2 diabetes by delivering sustai…

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