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Obesity and responsibility: is it time to rethink agency

Semaglutide: Standard shelf life: 30-45 days refrigerated Maximum: 56 days (some clinical protocols allow) More stable than research peptides Pharmaceutical-grade formulations include additional stabilizers Tirzepatide: Standard shelf life: 30-45 days refrigerated Maximum: 56 days Similar stability to semaglutide Important note: Research chemical versions of semaglutide/tirzepatide may be less stable than pharmaceutical versions

The case for stacking them rests on a single observation: the four receptor systems involved GLP-1, GIP, glucagon, and amylin are all non-overlapping

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