FDA Targets GLP 1 and Peptide Compounding, Advertising and 'Research Use Only' Labeling BPC 157: Miracle Healing Peptide or Hidden Danger? 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. People are turning themselves into lab rats': the injectable peptides craze sweeping the US Well actually The Guardian Compounded "semaglutide" is not FDA approved semaglutide.com