What is BPC 157? Everything to know about this peptide Intra Articular Injection Of Peptides For Joint Pain BPC 157 And TB 500 for Arthritis 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 I've been using Pentadecapeptide (PDA) and the results have been unreal. this peptide is almost identical to BPC 157 with the exception of an additional marginate salt, which has contributed to Injecting BPC 157 Peptide For My Shoulder Injury & Recovery #peptides #shoulderpain #injury