The table below compares four common storage methods across stability duration, potency retention at endpoint, and practical limitations
Boesen explains, in GLP1 cases, objective diagnostics drive everything
Int J Fertil Steril 18:4553 Mridula S, Ram SB, Indra K, Sameeksha B, Pokar K, Susan IT (2020) PCOSKBR2: a database of genes, diseases, pathways, and networks associated with polycystic ovary syndrome
Whey protein isolate offers excellent bioavailability and rapid absorption, while casein provides slower, sustained amino acid release
Those windows describe how quickly each class is expected to act, and the post pairs them with a mechanism and a GLP-1 specific safety note for each row