What Is BPC 157? A Medical Clinic's Guide to the Body Protective Peptide, Its Uses, and What It Actually Does Perfect B Mast Cell Activation Syndrome (MCAS): Symptoms & Functional Treatment Revolution Health & Wellness BPC 157 The protective role of mast cells. Mast cells regulate their own Download Scientific Diagram Can peptides help resolve chronic gut issues? Quite possibly! In my clinical practice, I've seen profound results by adding these three peptides: BPC 157, KPV, and glutathione. Why peptides? These peptides help Modulatory effects of BPC 157 on vasomotor tone and the activation of Src Caveolin 1 endothelial nitric oxide synthase pathway Scientific Reports