BPC 157: Miracle Healing Peptide or Hidden Danger? 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. From the OG peptide which we all now know as insulin to semaglutide, tirzepatide, BPC 157, and what's actually coming next. I made the most evidence based peptide breakdown on YouTube. No Detection and in vitro metabolism of the confiscated peptides BPC 157 and MGF R23H Cox 2017 Drug Testing and Analysis Wiley Online Library Concerning BPC 157, a natural pentadecapeptide, that acts as a cytoprotectant and is believed to protect the gastro intestinal tract (GIT) Inflammopharmacology Springer Nature Link