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 weigh easing limits on unproven peptides promoted by RFK Jr. People are turning themselves into lab rats': the injectable peptides craze sweeping the US Well actually The Guardian FDA's Overreach on Compounded Peptides They Call It the 'Wolverine Peptide.' And Everyone from Biohackers to Your Dad Wants It Now.