Why Are People Injecting Themselves with Peptides? The New Yorker In a major policy shift, the U.S. Food and Drug Administration is reconsidering restrictions on several controversial peptides, including trending compounds like BPC 157 and Melanotan II. The move comes as demand for The Food and Drug Administration will hold a meeting this summer to consider easing restrictions on more than a half dozen peptide injections, a group of unapproved therapies that have become popular A closer look at the unapproved peptide injections promoted by influencers and celebrities king5.com