BPC 157 Explained: What We Know And What We Don't BPC 157 (Body Protection Compound 157) is a 15amino acid peptide derived from a protein found in gastric juice. Preclinical research suggests effects related 6 month GHK CU check in Main takeaway: skin transformation takes time. GHK CU peptide binds to copper and activates genes involved in wound healing, collagen synthesis, and skin remodeling. On the face, this translates Thinking about trying BPC 157? Read this first. While often marketed as a healing peptide BPC 157 is not FDA approved and not pharmacy grade meaning most versions sold online are unregulated, contaminated What is BPC 157? Everything to know about this peptide GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy