US regulators to weigh controversial peptides backed by RFK Jr - Al Jazeera
The US Food and Drug Administration has questioned the evidence as demand surges for the compounds promoted for sleep, muscle growth, and anti-ageing. xwhatsapp-strokecopylinkgoogleAdd Al Jazeera on GoogleinfoUS Secretary of Health and Human Services Robert F Kennedy Jr listens during a May 27 Cabinet meeting at the White House, in Washington, DC, the United States By Al Jazeera Staff, Reuters and The Associated PressPublished On 22 Jul 202622 Jul 2026Peptides, a class of compounds increasingly marketed as wellness treatments, have exploded in popularity in recent years, moving from niche bodybuilding and biohacking circles to now being promoted for everything from weight loss to longevity.