BPC 157: What It Is, What We Know, and Why Its Use for Arthritis Remains Unproven San Diego Orthobiologics Medical Group The Peptide Craze Part 2: BPC 157, NAD and the Truth Behind the Longevity Molecule 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, The U.S. Food and Drug Administration is moving toward allowing compounding pharmacies to produce more than a dozen injectable peptides that were banned because of potentially significant safety risks, the New York Musculoskeletal and Tissue Healing with BPC 157: Weight Loss and Vitality: Medical Weight Loss