Simple answers for users comparing discounted prices, standard prices,
maintenance pricing and pharmacy safety checks.
How much does Mounjaro cost in the UK in 2026?
Mounjaro costs from £87.90 a month for 2.5mg to £219.00 a month for 15mg at the cheapest of 83 GPhC-registered UK pharmacies, checked 5 November 2026. These totals include any discount code and delivery. The average pharmacy charges £138.70 for 2.5mg and £277.22 for 15mg.
How much is Mounjaro a month in the UK?
One Mounjaro pen holds four weekly doses, so one pen lasts a month. Today the cheapest pen costs £87.90 for 2.5mg and £219.00 for 15mg. Higher doses cost more, so check the price of the dose you take next.
How much is Mounjaro per week?
Divide the monthly price by four. At today's cheapest prices, Mounjaro costs £21.98 a week on 2.5mg and £54.75 a week on 15mg.
What is the cheapest Mounjaro 2.5mg price in the UK?
Today Mounjaro 2.5mg starts from £87.90 a month. The average is £138.70 and the highest is £229.00, across 83 GPhC-registered pharmacies.
What is the cheapest Mounjaro 5mg price in the UK?
Today Mounjaro 5mg starts from £120.00 a month. The average is £163.38 and the highest is £244.00, across 83 GPhC-registered pharmacies.
What is the cheapest Mounjaro 7.5mg price in the UK?
Today Mounjaro 7.5mg starts from £168.00 a month. The average is £215.04 and the highest is £294.00, across 83 GPhC-registered pharmacies.
What is the cheapest Mounjaro 10mg price in the UK?
Today Mounjaro 10mg starts from £188.00 a month. The average is £241.92 and the highest is £324.00, across 83 GPhC-registered pharmacies.
What is the cheapest Mounjaro 12.5mg price in the UK?
Today Mounjaro 12.5mg starts from £202.00 a month. The average is £259.99 and the highest is £344.00, across 83 GPhC-registered pharmacies.
What is the cheapest Mounjaro 15mg price in the UK?
Today Mounjaro 15mg starts from £219.00 a month. The average is £277.22 and the highest is £359.00, across 83 GPhC-registered pharmacies.
How much does six months of Mounjaro cost?
Stepping up one dose a month from 2.5mg to 15mg costs £985 over six months at the cheapest price for each dose. Your prescriber decides when you move up, so treat this as a guide.
Why did Mounjaro go up in price?
Lilly raised its UK list price for Mounjaro in September 2025. NHS prices did not change, but private pharmacy prices rose with it.
Why is Mounjaro cheaper at some UK pharmacies?
Pharmacies independently set dispensing margins, delivery fees,
consultation charges and discount structures. Mounjaro is a
private prescription medicine, which means private patient prices
can vary widely between providers.
What is included in the full Mounjaro price UK pharmacies charge?
A true total price includes the mandatory clinical consultation,
private prescription issuance, the Mounjaro pen, standard
cold-chain delivery and any required patient-paid extras shown
during checkout.
Are Mounjaro discount codes worth using in the UK?
Yes, many UK pharmacies issue new-patient discount codes that
reduce the initial treatment cost. Comparing active offers allows
people to lower their starting price significantly while still
checking the longer-term maintenance cost.
Does Monj include delivery and consultation fees?
Yes. Monj compares the full patient-paid price, including
consultation, prescription, medicine and standard delivery where
those costs are shown during the provider journey. This is why
Monj shows true total pricing rather than partial advertised
pricing.
Is Monj a pharmacy or prescriber?
No. Monj is an independent UK comparison and consumer-protection
platform. Monj does not sell medicine, prescribe treatment or
replace clinical advice from a registered healthcare professional.