BPC 157, a peptide naturally made in the stomach and known for its super healing properties is banned by the following organizations: U.S. Department of Defense (military) International Olympics Committee International Paraolympics Committee Should peptides be allowed in natural bodybuilding? If it's natural, what does that actually mean? Many peptides aren't detectable in standard urine tests Some support recovery, healing, and overall health Yet BPC 157 has already hit the mainstream, but should it hit your bloodstream? The Human Lab Rats Injecting Themselves with Peptides Office for Science and Society McGill University