Peptide Therapy Orthobiologics Associates Pentadecapeptide BPC 157 Enhances the Growth Hormone Receptor Expression in Tendon Fibroblasts The Big 3, Potential Interplay: BPC 157, Testosterone, and Growth Hormone 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