The 2.5mg pen is the introductory dose, taken for the first 4 weeks. It helps your body adjust to tirzepatide before moving to a therapeutic dose. Most people experience mild appetite suppression at this stage.

The average price for Mounjaro 2.5mg across 71 UK pharmacies is £164.48. Asda charges £148.97, which is 9% below the market average.

Frequently asked questions

How much does Mounjaro 2.5mg cost at Asda?

Mounjaro 2.5mg at Asda costs £148.97 per 4-week supply as of March 2026.

Is Asda the cheapest for Mounjaro 2.5mg?

Asda is ranked #23 out of 71 pharmacies for Mounjaro 2.5mg. The cheapest is £128.00 at Pharmacy Planet.

Does Asda include consultation and delivery for Mounjaro 2.5mg?

Asda does not include a consultation fee and does not include delivery in the £148.97 price.

Is Asda GPhC registered?

Yes, Asda is registered with the General Pharmaceutical Council (GPhC number: 1116105). You can verify this on the GPhC register.

Related comparisons

Compare all pharmacies for 2.5mg →Asda — all doses →Compare all Mounjaro prices →All discount codes →

Prices updated March 2026. Always confirm with the pharmacy before ordering.