There's a common misconception about peptide injections that targeting them directly at pain sites is more effective than abdominal injection. However, when you inject peptides like BPC 157 Can you inject peptides into the knee? BPC 157 Tb 500 10mg LIVV Talking about my knee recovery and using the peptides BPC 157 and TB500 to help repair a torn meniscus in preparation for The Arnold in March. I had previously taken a PRP (Plasma Rich Platelet) shot