BPC 157 Explained: Benefits, Safety & Oral vs Injectable Options What Is BPC 157? A Medical Clinic's Guide to the Body Protective Peptide, Its Uses, and What It Actually Does Perfect B What is BPC 157 and How Can It Benefit You? Le Jolie Med Spa Columbia Undergraduate Science Journal Peptides are short chains of amino acids that act as signaling molecules, basically telling your cells how to function. Your body makes them naturally, but stress, poor sleep, aging, and chronic inflammation