What Is BPC 157? A Medical Clinic's Guide to the Body Protective Peptide, Its Uses, and What It Actually Does Perfect B Stable Gastric Pentadecapeptide BPC 157 and Striated, Smooth, and Heart Muscle They Call It the 'Wolverine Peptide.' And Everyone from Biohackers to Your Dad Wants It Now. Theres a lot of confusion about the difference between BPC 157 arginate and acetate forms, so lets clear that up. The key distinction comes down to stability in the gut. This only applies to oral