Peptide BPC 157 Does It Work? Breaking Down the Evidence and the Hype BPC 157 is one of the peptides that has been getting a lot of attention recently. It is a synthetic peptide derived from a protein found in human gastric juice. In experimental research, What is the recommended use and safety profile of Peptide BPC (Body Protection Compound) 157? What Is BPC 157? A Medical Clinic's Guide to the Body Protective Peptide, Its Uses, and What It Actually Does Perfect B