Cheating in sport: What are banned substances? CNN FDA Lifts Ban on Key Peptides Slim 'n Sleek FDA Unbans 14 Peptides for Legal US Compounding! : r Biohackers More Americans are injecting themselves with peptides 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