doi: 10.1016/j.isci.2022.103994 152 SpaggiariL.SalaA.ArdizzoniA.De SetaF.SinghD
Native GLP-1 has a circulating half-life of approximately two minutes due to rapid enzymatic cleavage

announced that approximately 14 of 19 restricted peptides will return to legal compounding status: The announcement was made on the Joe Rogan Experience podcast on February 27, 2026 Peptides affected include BPC-157, Thymosin Alpha-1, AOD-9604, CJC-1295, Selank, Semax, KPV, MOTS-C, GHK-Cu, and others Moving from Category 2 to Category 1 allows licensed compounding pharmacies to legally prepare these peptides with a physicians prescription This does NOT mean these peptides are now FDA-approved drugs, which requires extensive clinical trials The legal basis was that the FDA lacked a required safety signal to justify the original ban Five peptides with weaker safety profiles may remain restricted Official FDA timeline is expected within weeks, though patients should monitor formal agency updates Patients should continue working with licensed physicians and accredited compounding pharmacies to ensure safe, quality-controlled access to peptide therapy

Stimulation of dendritic cells via the dectin-1/Syk pathway allows priming of cytotoxic T-cell responses
Tian YG, Yue M, Nashun B, Wu SJ, Gu WW, Wang YJ