BPC 157 has already hit the mainstream, but should it hit your bloodstream? WHY YOU SHOULD NEVER USE BPC 157 , , In all seriousness, the use and mechanism of action behind Body Protecting Compound 157 and most peptides needs far greater studies, peer reviewed research and MMA fighter Brandon Reed shares his experience using peptides like BPC 157 to aid in recovery from knee and back issues that plagued his career. >> More in comments BPC 157 Peptide: Experts Explain What You Need to Know