Public advisory Think twice before injecting peptides bought online: unauthorized products can seriously harm you RFK Jr. promotes peptides. Now the FDA weighs easing limits on the unproven chemicals 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, The peptide problem: Hype is outrunning the evidence AP's BPC 157 peptide warning skips every doctor who disagrees Seattle Red