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, BPC 157 DrWell Oral vs Injectable BPC 157: Differences, Benefits, and When to Use Eac Revolution Health & Wellness BPC 157 has already hit the mainstream, but should it hit your bloodstream? PDF) Pentadecapeptide BPC 157 Interactions with Adrenergic and Dopaminergic Systems in Mucosal Protection in Stress