BPC 157 Benefits, Dosage & Before After Results BPC 157 Explained: What We Know And What We Don't BPC 157 (Body Protection Compound 157) is a 15amino acid peptide derived from a protein found in gastric juice. Preclinical research suggests effects related The Stable Gastric Pentadecapeptide BPC 157 Pleiotropic Beneficial Activity and Its Possible Relations with Neurotransmitter Activity Peptides BPC 157 promise to help heal and recover you from injuries and tough workouts (and do way more than that sometimes too!). But there's limited research into their effectiveness. So how do BPC 157 and Penis Growth: What the Evidence Really Shows