People talk about BPC 157 like it's one thing. It isn't. Oral BPC 157 stays local. It survives digestion long enough to act on the GI mucosa, then clears before it reaches systemic circulation. BPC 157 Drift Peptides TB 500 BPC 157 GHK Cu (10 10 50 MG) Sigma Compounds BPC 157 Nasal Spray officialpeptide.com You may have seen headlines claiming a new peptide nasal spray can reverse Alzheimer's brain damage and restore memories. As a physician, I want to slow that down and put it in Multifunctionality and Possible Medical Application of the BPC 157 PeptideLiterature and Patent Review