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 73 UK pharmacies is £165.58. Pharmacy2U charges £173.24, which is 5% above the market average.

Pharmacy2U discount codes

£50 offNew customers

£50 Off 1st Orders

FIRST50

£10 off

£10 Off Return Orders

RETURN10

View all discount codes →

Frequently asked questions

How much does Mounjaro 2.5mg cost at Pharmacy2U?

Mounjaro 2.5mg at Pharmacy2U costs £173.24 per 4-week supply as of March 2026.

Is Pharmacy2U the cheapest for Mounjaro 2.5mg?

Pharmacy2U is ranked #50 out of 73 pharmacies for Mounjaro 2.5mg. The cheapest is £122.81 at Cuva Health.

Does Pharmacy2U include consultation and delivery for Mounjaro 2.5mg?

Pharmacy2U does not include a consultation fee and does not include delivery in the £173.24 price.

Is Pharmacy2U GPhC registered?

Yes, Pharmacy2U is registered with the General Pharmaceutical Council (GPhC number: 9010146). You can verify this on the GPhC register.

Related comparisons

Compare all pharmacies for 2.5mg →Pharmacy2U — all doses →Compare all Mounjaro prices →All discount codes →

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