I spent 4 months reporting on the peptide BPC 157 and its unlikely journey from a research lab in post communist Croatia to today's MAHA movement. Ask me anything. : r IAmA BPC 157 is the OG peptide that started the craze, and for good reason. BUT because one of the primary mechanisms of BPC 157 is to up regulate blood vessel formation, its led to Stable Gastric Pentadecapeptide BPC 157 as a Therapy and Safety Key: A Special Beneficial Pleiotropic Effect Controlling and Modulating Angiogenesis and the NO System BPC 157 has already hit the mainstream, but should it hit your bloodstream?