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 92 UK pharmacies is £162.98. Chemist4U charges £148.00, which is 9% below the market average.

Frequently asked questions

How much does Mounjaro 2.5mg cost at Chemist4U?

Mounjaro 2.5mg at Chemist4U costs £148.00 per 4-week supply as of May 2026.

Is Chemist4U the cheapest for Mounjaro 2.5mg?

Chemist4U is ranked #26 out of 92 pharmacies for Mounjaro 2.5mg. The cheapest is £119.95 at Assured Pharmacy.

Does Chemist4U include consultation and delivery for Mounjaro 2.5mg?

Chemist4U does not include a consultation fee and does not include delivery in the £148.00 price.

Is Chemist4U GPhC registered?

Yes, Chemist4U is registered with the General Pharmaceutical Council (GPhC number: 9012464). You can verify this on the GPhC register.

Related comparisons

Compare all pharmacies for 2.5mg →Chemist4U — all doses →Compare all Mounjaro prices →All discount codes →

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