The Human Lab Rats Injecting Themselves with Peptides Office for Science and Society McGill University BPC 157: Miracle Healing Peptide or Hidden Danger? What are peptides? The treatments promising weight loss and better skin, explained Vox NDI warning letters fuel criticism of FDA enforcement approach 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