PDF) Application of Chromatography Mass Spectrometry Methods to the Control of Sport Nutrition and Medicines Marketed via Internet 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. While it's marketed online as a substance to build muscle, ibutamoren is considered a poison, is banned in sport and has a range of dangerous side effects. Educate yourself: https: sportintegrity.gov.au news integrity blog 2022 05 dont be fooled 14 in. 5 out. This is the peptide list RFK referencedmoving access back to ethical supply chains and away from research only sellers. #peptides