Retatrutide: The "Triple G" Peptide That Could Rival Bariatric Surgery (And Why You Shouldn't Wait) Florida Surgery & Weight Loss Center BPC 157 has already hit the mainstream, but should it hit your bloodstream? 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 Retatrutide Stacking Guide: BPC 157, TB 500 & GHK Cu Combo Therapeutic Peptides in Aesthetic, Metabolic and Endocrine Conditions: Effects, Safety, Clinical Applications, and Future Perspectives