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[1] [2] As of the time of writing, retatrutide has not received marketing authorisation from the Medicines and Healthcare products Regulatory Agency (MHRA) or the European Medicines Agency (EMA), and is not commercially available in the UK through licensed channels

Lilly's drug is still under review by the EMA

It works by enhancing satiety signals in the brain, helping individuals feel full sooner and reduce overall calorie intake, which supports gradual, medically supervised weight reduction

Unlike some oral medications that require specific timing relative to meals, Mounjaro's subcutaneous route and prolonged action mean that food intake does not significantly affect absorption or efficacy