Think twice before injecting peptides bought online: unauthorized products can seriously harm you Canada.ca Peptides are surging in popularity. There's little evidence that they work. FDA Targets GLP 1 and Peptide Compounding, Advertising and 'Research Use Only' Labeling The peptide problem: Hype is outrunning the evidence 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