Will Mounjaro Get Cheaper in 2026? (October 2026)

01 · Price outlook

What has happened to Mounjaro prices, and what to expect

Mounjaro prices rose in September 2025 and no reduction has been announced. Pharmacy sell prices vary because of confidential discounts.

Our standard prices run from £169.99 at 2.5mg to £329.99 at 15mg per pen, and across the UK pharmacies we track the gap between providers for the same dose is £27 to £41. The Mounjaro pen is in stock in all six doses.

02 · Lower your cost

Ways to pay less now

You do not need to wait for a list-price cut to lower your bill. These routes are available today:

• New-customer discount: new customers save £40 on their first order at any dose with code FIRST40.
• Reorder discount: an automatic £25 reorder discount applies to every future order (code DOSE25).
• Compare providers: see how to get GLP-1 cheaper and cheaper weight loss injections.

Planning a year? If you step up after 4 weeks on each dose, your first four pens (2.5mg to 10mg) cost £959.96 at standard prices. A first year (13 pens) costs £2,711.88 if you stay on 5mg after your 2.5mg starting pen, up to £3,599.88 if you step up through every dose to 15mg. A new customer's first order is £40 less and every later order £25 less.

Our consultation is free and reviewed by a GPhC-registered prescriber, with free next-day tracked delivery and same-day dispatch when ordered by 3pm. Start your free consultation or buy Mounjaro online.

03 · NHS access

The NHS route to a lower cost

Mounjaro is available on the NHS, but access is being phased in over several years. NICE recommends it for adults with a BMI of at least 35 plus at least one weight-related condition, and the primary-care rollout began in June 2025 with the highest-need groups first, initially BMI 40+ with four or more qualifying conditions.⁴⁶ Full rollout is expected to take years, which is why many people who meet the licensed criteria choose regulated private treatment rather than waiting.

04 · Cost-saving shortcuts to avoid

Cost-saving shortcuts to avoid

Cheap offers can also be fake. The MHRA has seized thousands of fake weight-loss pens and issued alerts; some fakes contained insulin rather than tirzepatide.⁷ Only buy from a pharmacy you can verify on the GPhC register. Genuine treatment always involves a prescription and a clinical consultation. Related reading: will GLP-1 ever get cheaper.

05 · Who it is for

Who Mounjaro is licensed for

Mounjaro is licensed for weight management in adults with a BMI of 30 or above, or 27 to 30 with at least one weight-related condition such as high blood pressure, prediabetes or type 2 diabetes. It is used alongside a reduced-calorie diet and increased physical activity.¹ In SURMOUNT-1 (2,539 adults), average loss at 72 weeks was 20.9% on 15mg versus 3.1% with lifestyle changes alone; individual results vary.² Mounjaro should not be used during pregnancy and should be stopped at least one month before trying to conceive. Mounjaro can also reduce how well oral contraceptive pills are absorbed: switch to a non-oral method, or add a barrier method such as condoms, for 4 weeks after starting and for 4 weeks after each dose increase. Mounjaro is prescription-only, supplied after a consultation reviewed by a GPhC-registered prescriber. See also will weight loss medications get cheaper.