FDA to weigh easing limits on unproven peptides favored by RFK Jr. and other MAHA figures wkyc.com I spent 4 months reporting on the peptide BPC 157 and its unlikely journey from a research lab in post communist Croatia to today's MAHA movement. Ask me anything. : r IAmA When will the FDA reclassify BPC 157 to Category 1? Odds & Predictions 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.