Is BPC 157 Banned? Oral vs. Injectable Forms Explained BPC 157: Experimental Peptide Creates Risk for Athletes Peptides may soon be easier to get amid RFK Jr.'s push, but experts warn of risks When people ask how long they should take peptides, the truth is that it depends entirely on your goals. Different peptides serve different purposes. Injury healing peptides like BPC 157 are often The U.S. Food and Drug Administration is moving toward allowing compounding pharmacies to produce more than a dozen injectable peptides that were banned because of potentially significant safety risks, the New York FDA to weigh easing limits on unproven peptides promoted by RFK Jr.