Peptide Guides Bpc 157, Book 1, (Paperback) Walmart.com Big FDA review coming this July. Here's what athletes and patients should know about BPC 157, TB 500, and the broader peptide conversation. Always speak with your physician before starting any new protocol. #bpc157 # 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 Peptide Therapy Advanced Healing & Regeneration Peptide Therapy for Inflammation: A New Solution