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Evening Standard
Evening Standard
Health
Tamara Davison,Rachael Davies and Arielle Domb

What is Mounjaro and how does the weight-loss jab work? Popular drug now available on NHS

Demand for weight loss drugs has been on the rise throughout 2025, with an estimated 1.5 million people already taking such drugs in the UK.

Mounjaro is one of the major brands associated with injectable weight loss medication, with about 500,000 people estimated to be taking either Mounjaro or its competitor Wegovy.

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