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 studies Human Cleveland Clinic Florida Launching Phase III Trial of Orthobiologic for Hip Osteoarthritis Intra Articular Injection Of Peptides For Joint Pain BPC 157 And TB 500 for Arthritis Would a peptide like BPC 157 help chronic knee pain?