The Human Lab Rats Injecting Themselves with Peptides Office for Science and Society McGill University Should a patient continue taking BPC 157 (Body Protection Compound 157) and Tesamorelin (growth hormone releasing factor) stacks if they have symptoms of laryngitis and cold sores? 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 Early evidence suggests BPC 157 repairs tissue rather than just dulling symptoms. To read more, tap the link in bio.