BPC 157 Oral Capsules (500mcg) 30 Count Alpha Infusions Peptides: What They Are, What We Know, and Why BPC 157 Is Worth Talking About What Is BPC 157? A Medical Clinic's Guide to the Body Protective Peptide, Its Uses, and What It Actually Does Perfect B People talk about BPC 157 like it's one thing. It isn't. Oral BPC 157 stays local. It survives digestion long enough to act on the GI mucosa, then clears before it reaches systemic circulation.