BPC 157 Peptide Therapy Advanced Healing & Regeneration Relieving Neck and Shoulder Pain: Injection Techniques Have you used peptides? What are your thoughts? Let me know below Peptides are short chains of amino acids that play vital roles in cellular signaling and repair throughout the body. 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