Subcutaneous Injection: What It Is and How to Give One Where to inject BPC 157 for an orthopedic injury Peptide Injection Treatments Benefits & Uses Hubmed 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 Peptide Injection Site Reactions: What's Normal, What's Not, and What Revolution Health & Wellness