Regeneration or risk
Rarely, people might have allergic reactions like hives or swelling
PubMed Ng, F.M., Sun, J., Sharma, L., Libinaki, R., Jiang, W.J., & Gianello, R
The shelf life varies by specific product, and all medications should be used before the expiration date printed on the packaging when stored according to the manufacturer's instructions: Semaglutide (Ozempic, Wegovy) : Unopened pens may be stored in the refrigerator until the expiration date on the label Dulaglutide (Trulicity) : Remains stable when refrigerated until the printed expiration date Liraglutide (Victoza, Saxenda) : Maintains potency when refrigerated continuously until expiration Tirzepatide (Mounjaro, Zepbound) : Stable under refrigeration until the manufacturer's expiration date Exenatide (Byetta, Bydureon BCise) : Requires refrigeration and remains effective until expiration when stored properly It is important to note that permitted room-temperature storage periods as specified in the prescribing information do not invalidate the expiration date

a 2025 IV pilot in two adults used 10 mg and 20 mg single infusions and reported no adverse effects (Lee et al., Alternative Therapies in Health and Medicine)
68 Wang, J