Peptides like BPC 157, TB 500, and growth hormone secretagogues are increasingly marketed for recovery and injury healing., But what does the science actually say?, Most evidence comes from animal The Hidden Risks of BPC157: What Patients Need to Know About Contamination and Safety Regenexx at New Regeneration Orthopedics How necessary is the local injection site when adminstering BPC157 In the video, I break down exactly how to use it and why both local and systemic injection can have benefits Can you inject peptides into the knee?