Reddit Users Are Experimenting With an Unapproved Weight-Loss Drug. AI Found Something Surprising

An AI analysis of nearly 150,000 Reddit posts and comments provided the first systematic look at symptoms users attribute to gray-market retatrutide, an unapproved next-generation GLP-1 weight-loss drug, showing how social media could guide drug safety research. The findings indicate people are buying unapproved versions of retatrutide and sharing their experiences on Reddit before the drug has received regulatory approval.