Some peptides are FDA approved drugs. Some are legal supplements. Some are neither. The same word, peptide, covers all three categories. The regulatory status of the specific compound is what determines legality. 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 Many doctors are urging caution as the FDA considers easing limits on peptides, a group of unapproved therapies that have become popular among wellness influencers, fitness gurus, and even Health Advancing patient care: A look at new medicines approved in 2025 PhRMA