Is BPC 157 Banned? Oral vs. Injectable Forms Explained What Is BPC 157? A Medical Clinic's Guide to the Body Protective Peptide, Its Uses, and What It Actually Does Perfect B 'People are turning themselves into lab rats': the injectable peptides craze sweeping the US Well actually The Guardian 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.