BPC 157 Cost: What You Need to Know Amazon.com: The Peptide Therapy & Protocols Bible: Ultimate Guide to BPC 157, TB 500 & Essential Peptides Evidence Based Handbook for Weight Loss, Muscle Growth, Anti Aging & Performance Optimization eBook : Harrison, Alexander Z.: BPC 157: Hype or Helpful? After my post on Retatrutide did well, I'm continuing the peptide education series. Let's talk about BPC 157. It's a synthetic peptide derived from a protective protein found in BPC 157 free base CAS#137525 51 0 cytoprotective agent