Columbia Undergraduate Science Journal BPC 157 and Regenerative Peptides: What Actually Matters 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 Frontiers Pharmacokinetics, distribution, metabolism, and excretion of body protective compound 157, a potential drug for treating various wounds, in rats and dogs TB 500 + BPC 157 (5 5 MG) Sigma Compounds