The Hidden Risks of BPC157: What Patients Need to Know About Contamination and Safety Regenexx at New Regeneration Orthopedics 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, Orthopedic Use of BPC 157 Sports Med Review Stable Gastric Pentadecapeptide BPC 157 as a Therapy and Safety Key: A Special Beneficial Pleiotropic Effect Controlling and Modulating Angiogenesis and the NO System Heard about BPC 157 in health and wellness products? Think it's a "miracle" peptide? Think again. Claims about BPC 157 are based on lab or animal studies, NOT human clinical studies.