BPC 157 acetate C64H102N16O24 CID 155977614 PubChem BPC 157 erectile dysfunction study: What the current evidence actually shows What Is BPC 157? A Medical Clinic's Guide to the Body Protective Peptide, Its Uses, and What It Actually Does Perfect B Most peptides are broken down in the stomach and not absorbed when taken orally, which is why injectable forms are often used. BPC 157 is a unique exception. Because it originates from the gut, its