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 BPC 157 and the Difference Between an Evidence Gap and a Cover Up: What the entire human evidence base actually looks like, and the questions to ask next. WellFounded Founders Health & Does BPC 157 Cause Erectile Dysfunction? Evidence and Safe Treatments Bolt Pharmacy 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.