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, A drug that increases dopamine can reverse the effects of inflammation on the brain in depression, Emory study shows BPC 157: Potential Benefits and Side Effects Based on Current Research The Human Lab Rats Injecting Themselves with Peptides Office for Science and Society McGill University