BPC 157 for athletes and injury treatment: Science, safety, and legal concerns RFK Jr. forces FDA to reconsider 12 unproven peptides after 2023 ban Ars Technica 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, FDA to review broader access to restricted peptides in July