Everything You Need to Know About the FDA Peptide Ban 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 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 FDA to weigh easing limits on unproven peptides