Are Peptides Safe? What Older Adults Need to Know BPC 157: Miracle Healing Peptide or Hidden Danger? BPC 157: Experimental Peptide Creates Risk for Athletes fda warning bpc 157 peptide products New Details 157 The FDA has issued warning letters to multiple companies marketing compounded Retatrutide, an investigational drug from Eli Lilly still in Phase II trials. While early studies have shown promising weight loss results, Retatrutide 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