The Human Lab Rats Injecting Themselves with Peptides Office for Science and Society McGill University Regulatory Alert: FDA's April 2026 Update on BPC 157 and GHK Cu Holt Law The Peptide Split: How GLP 1s, Lutathera, Vosoritide, and Peptide Cancer Vaccines Are Quietly Rewriting Medicine While BPC 157, TB 500, MOTS c, and the Wellness Grift Borrow Their Halo 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.