How to Prevent Muscle Loss on GLP-1 Medications

GLP-1 weight loss trials show 25–40% of the weight lost is lean mass unless you actively protect it. The formula is simple: hit 1.0 g protein per lb of goal bodyweight, lift heavy 3x/week, and stay at or above your calorie floor from the free GLP-1 macro calculator. Miss any of the three and you leak muscle.