Men Are Injecting Peptides to Build Muscle and Recover Faster But the Risks Are Real Retatrutide. BPC 157. CJC 1295. Ipamorelin. TB 500. Tesamorelin. They're called "research chemicals." They're sold as cheat codes for healing, fat loss, and muscle growth. Here's what they don't tell you: ALL banned by If peptides worked like the hype surrounding them, they'd have an FDA label not a promo code Peptides are being sold like the cheat code to healing, fat loss, GH boosts, BPC 157: Experimental Peptide Creates Risk for Athletes