The FDA just changed the rules on peptides effective April 15, 2026. BPC 157, GHK Cu, MOTS C, and TB 500 have been removed from the Category 2 restricted compounding list. Here is what BPC 157 Reviews, Clinical Trials, and Safety FDA to weigh easing limits on unproven peptides BPC 157 and TB 500 are the two most paired peptides in injury research, and most people think they do the same thing. They don't. BPC 157 acts locally. It signals at the injury site, drives