Rotator Cuff Injections 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 BPC 157 Peptide Therapy New Results Medical Weight Loss Injections for Rotator Cuff Disease Shoulderdoc