The science behind the peptide craze Scientific American RFK Jr. wants Americans to use peptides that were banned over safety risks Ars Technica FDA Removes Key Peptides from Category 2: What This Means for You What Are Peptides Used For? Benefits, Uses, Side Effects & Natural Sources Xandro Lab New: An FDA decision to place 19 peptides on the unsafe list was supported by numerous documented safety concerns, former officials said. Even though demand for peptide therapies has exploded since then,