Pentadecapeptide BPC 157 and its effects on a NSAID toxicity model: Diclofenac induced gastrointestinal, liver, and encephalopathy lesions ScienceDirect BPC 157: Tendon Repair and More Peptide Series #2 BPC 157 Your body already makes this peptide. BPC 157 is naturally found in your gastric juice it's part of how your gut protects itself. Scientists isolated it, Too often, BPC 157 gets boxed into a single use: injury recovery. Gabriel Alizaidy, MD, MS