NFL and NFLPA inform players of addition to banned substance list: BPC 157, an experimental peptide not approved for use by humans that has been found in supplements and recovery treatments. Decoded with Dr Andrius: BPC 157 and Tendon Injuries Roam 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 How did BPC 157 become the wellness industry's star peptide? People are turning themselves into lab rats': the injectable peptides craze sweeping the US Well actually The Guardian