semaglutide effect on muscle mass (GLP-1) Loss: Body Composition Changes and Findings Semaglutide Alternatives for Weight Loss

On the standard tirzepatide dosing schedule, you take 2.5 mg once weekly during weeks 1 to 4, move to 5 mg for weeks 5 to 8, then 7.5 mg for weeks 9 to 12, 10 mg for weeks 13 to 16, 12.5 mg for weeks 17 to 20, and 15 mg from week 21 onward

Compared to continued use, they found that stopping or interrupting GLP-1 treatment for as little as six months was linked to a significant increase in the risk of major cardiovascular events

Barbiero JK, Santiago RM, Persike DS, da Silva Fernandes MJ, Tonin FS, da Cunha C, et al

The cycle length may shorten to match a more sensitive stack partner (BPC-157 at 4 weeks rather than GHK-Cu's typical 8 to 12 weeks), but the injection cadence for GHK-Cu itself remains constant