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 £165.57. Pharmulous charges £139.99, which is 15% below the market average.

Frequently asked questions

How much does Mounjaro 2.5mg cost at Pharmulous?

Mounjaro 2.5mg at Pharmulous costs £139.99 per 4-week supply as of March 2026.

Is Pharmulous the cheapest for Mounjaro 2.5mg?

Pharmulous is ranked #11 out of 71 pharmacies for Mounjaro 2.5mg. The cheapest is £122.81 at Cuva Health.

Does Pharmulous include consultation and delivery for Mounjaro 2.5mg?

Pharmulous does not include a consultation fee and does not include delivery in the £139.99 price.

Is Pharmulous GPhC registered?

Yes, Pharmulous is registered with the General Pharmaceutical Council (GPhC number: 9012252). You can verify this on the GPhC register.

Related comparisons

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

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