What Is BPC 157? A Medical Clinic's Guide to the Body Protective Peptide, Its Uses, and What It Actually Does Perfect B BPC 157 and other peptides are everywhere in the fitness world right now. The anecdotal reports (and some early research) are exciting! But, we still need to approach BPC 157 with caution. Right now, 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 Does BPC 157 Build Muscle? Effectiveness and Benefits