How Much Is Mounjaro in the UK? Full 2026 Pricing Guide
In the UK, Mounjaro (tirzepatide) costs approximately between £179 and £325 per 4-week supply on a private prescription, depending on the dose. On the NHS, it is available free at the point of use for eligible patients through specialist weight management services, though access is limited and subject to strict criteria. This guide sets out the full cost picture for 2026, including what affects the price and what you should expect to be included.
Mounjaro Prices by Dose: 2026
All new patients usually begin Mounjaro at the 2.5 mg starting dose. The dose is increased gradually under clinical supervision. Prices at Colecross Pharmacy per 4-week supply are as follows:
| Dose | Frequency | Cost (4-week supply) | Approx. monthly cost |
|---|---|---|---|
| 2.5 mg | Once weekly | £179 | £179 |
| 5 mg | Once weekly | £199 | £199 |
| 7.5 mg | Once weekly | £269 | £269 |
| 10 mg | Once weekly | £289 | £289 |
| 12.5 mg | Once weekly | £319 | £319 |
| 15 mg | Once weekly | £325 | £325 |
Please note: All patients new to Mounjaro must begin at the 2.5 mg starting dose. Dose increases are made gradually under clinical supervision. Mounjaro is a prescription-only medicine dispensed only after a clinical assessment confirming suitability.
What Is Included in the Price at Colecross Pharmacy
Unlike some providers who advertise a per-pen price and charge separately for clinical services, our weight loss service in Chelmsford takes a fully transparent approach. Before you begin, all costs are confirmed during your initial consultation. The programme includes:
- ✓ Initial clinical consultation in a private room
- ✓ Health assessment including blood pressure, weight, and BMI
- ✓ Review of medical history and current medications
- ✓ Prescription and dispensing of Mounjaro
- ✓ Ongoing follow-up appointments with dose review
- ✓ Lifestyle and nutritional guidance throughout treatment
Is Mounjaro Available for Free on the NHS?
Yes, but access is restricted. NICE approved Mounjaro for weight management on the NHS under TA1026 (2024), but only through specialist weight management services and for patients meeting specific criteria, including a BMI of 35 or above, alongside at least one weight-related health condition. Not all areas have specialist services available, and waiting times vary considerably.
For those who do not qualify or prefer a faster route, private treatment is available without a referral through services such as ours. The NHS overview of obesity and its treatment provides useful context on what NHS support is available and through which pathways.
Why Does Mounjaro Cost What It Does?
Mounjaro is a recently developed biologic medication produced through a complex pharmaceutical manufacturing process. Its cost reflects both the research and development investment behind tirzepatide and the clinical infrastructure required to prescribe, monitor, and support patients safely. As with most newer medicines, prices are expected to adjust over time as market competition increases and manufacturing efficiencies develop.
It is also worth noting that the cost of Mounjaro must always be considered alongside the cost of not treating excess weight. Obesity is associated with significantly increased healthcare expenditure over time, including treatment for cardiovascular disease, type 2 diabetes, joint problems, and related conditions. For many patients, effective weight management represents a meaningful long-term health investment.
How to Estimate Your Total Treatment Cost
Because dose escalation is gradual and individual, the total cost of a Mounjaro programme depends on how long you remain at each dose level. A typical escalation schedule might look like this:
All new patients spend a minimum of four weeks at the starting dose. Some remain here for eight weeks if their clinician recommends a slower escalation. Cost: £179 per month.
Once tolerability at 2.5 mg is confirmed, the dose typically increases to 5 mg for the next four to eight weeks. Cost: £199 per month.
Subsequent increases follow the same pattern, with the clinician assessing response and tolerance at each stage. Not all patients will need to reach the maximum dose. Costs range from £269 to £325 per month at higher doses.
Frequently Asked Questions: How Much Is Mounjaro?
How much does Mounjaro cost per month in the UK?
Monthly costs depend on your prescribed dose. At the 2.5 mg starting dose, a 4-week supply costs £179 at Colecross Pharmacy. At the maximum 15 mg dose, the cost is £325 per month. Across the full dose range, monthly costs sit between £179 and £325.
Is there a cheaper version of Mounjaro available?
There is currently no generic version of tirzepatide available in the UK. Mounjaro is manufactured exclusively by Eli Lilly and any product sold under a different name or at a significantly lower price than the market rate should be treated with caution. The MHRA warns against purchasing prescription medicines from unregistered online sources.
Does the price of Mounjaro include the consultation?
This varies by provider. At Colecross Pharmacy, the full clinical pathway including consultation, health assessment, and ongoing follow-up is included as part of the service. Some online platforms advertise lower per-pen prices but charge separately for the prescription and clinical review. Always ask what is included before committing.
Can I get Mounjaro on prescription from my GP for free?
For weight management, Mounjaro can only be prescribed on the NHS through specialist services under current NICE guidance (TA1026). Standard GP prescribing for this indication is not yet in place. For type 2 diabetes, GP prescribing may be available under TA924. If you do not meet NHS criteria or prefer not to wait, private prescription is the most accessible route.
Will the price of Mounjaro come down?
It is reasonable to expect some price adjustment over time as more providers enter the market and the treatment becomes more established. However, as a recently licensed biologic with no generic competition currently in the UK, significant price reductions in the near term are not certain. Your clinician can advise on current pricing at your consultation.
⚠ Important Disclaimer
This blog is intended as a general guide only and does not constitute personalised medical advice. Individual responses to Mounjaro can vary, and this information should not replace a consultation with a qualified healthcare professional. If you have specific concerns about side effects or your suitability for treatment, please get in touch with our team or speak to your GP.