FDA takes first step in possible reversal of ban on some peptides The Washington Post FDA to weigh easing limits on unproven peptides fda warning bpc 157 peptide products New Details 157 The peptide problem: Hype is outrunning the evidence Everyone online is suddenly injecting peptides. But almost nobody understands the scienceor the regulation. The FDA recently shifted several peptides off the Category 2 safety risk list tied to compounding rules. First, that Peptides Lack Reliable Safety Information, Watchdog Warns