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 Subcutaneous Injection: What It Is and How to Give One Peptides in Orthopedics: BPC 157 What Patients Should Know About Safety, Efficacy, and Sourcing The Centers for Advanced Orthopaedics: Maryland Orthopedic Specialists Division Peptide Injections vs. Platelet Rich Plasma (PRP) Therapy for Musculoskeletal Injuries: A Review of the Evidence