BPC 157: What It Is, What We Know, and Why Its Use for Arthritis Remains Unproven San Diego Orthobiologics Medical Group What Is BPC 157? A Medical Clinic's Guide to the Body Protective Peptide, Its Uses, and What It Actually Does Perfect B Could BPC 157 Help Support Women Through Menopause? Have you used peptides? What are your thoughts? Let me know below Peptides are short chains of amino acids that play vital roles in cellular signaling and repair throughout the body.