Also known as LY3437943
Investigational triple agonist (GIP / GLP-1 / glucagon) in late-stage trials.
Retatrutide is an Eli Lilly–developed triple agonist targeting GIP, GLP-1, and glucagon receptors. Phase 2 trials reported ~24% mean weight reduction at 48 weeks at the highest dose.
GIP + GLP-1 (insulinotropic, satiety) plus glucagon (energy expenditure, lipolysis).