Fred Let the bio hacking begin. Just got my first injection of BPC 157 and TB 500 peptides in my left shoulder. Having already had a blown up right shoulder and surgery (which What is BPC 157? 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 BPC 157 for athletes and injury treatment: Science, safety, and legal concerns