5 Ways the Peptide BPC 157 Can Help Repair, Restore and Rejuvenate Where to Inject BPC 157 for Knee Pain? Many people think injecting peptides like BPC 157, GHK Cu, or TB500 directly over a painful area sends the peptide straight into the damaged tissue. But thats not how it works. When you inject Peptides: The growing W E L L N E S S trend that everyone is talking about! You may have heard about BPC 157 and GHK Cu two peptides gaining attention in BPC157 Seven Hills Medical Centr Stable Gastric Pentadecapeptide BPC 157 as Therapy After Surgical Detachment of the Quadriceps Muscle from Its Attachments for Muscle to Bone Reattachment in Rats