Synthetic peptides, specifically BPC 157 and TB 500 and CJC 1295, are increasingly popular in the longevity & biohacking space. But do they really work for injury healing, muscle building, and are What Is BPC 157? A Medical Clinic's Guide to the Body Protective Peptide, Its Uses, and What It Actually Does Perfect B Research chemicals known as peptides, many of them banned by the World Anti Doping Agency and some not approved for human use in the United States, are available with the simple click of BPC 157: Miracle Healing Peptide or Hidden Danger?