Mounjaro Price Increase September 2025 – What UK Patients Need to Know

NEWS · 2 minute read

Written by Rahul PuriPharmacist, MPharm

Medically reviewed 7 October 2026

This is a historical article about the September 2025 price change. It should not be used as a current quotation, stock statement or deadline to buy treatment. Earlier calls to buy before that date have been removed.

What remains useful from a pricing update?

A treatment plan has to be affordable over time. If costs change, ask your provider for a clear explanation of the current charge, the next payment and what ongoing care includes. Do not assume that a historical manufacturer announcement establishes today’s retail price or availability.

Illustration of a private weight-management consultation — Prepare your treatment history and questions for an individual review. Illustrative image.

Questions to ask about the full cost

What is the current total for the agreed period of care?
Are consultations and follow-up reviews included?
Are there delivery or other additional charges?
What happens if treatment is not appropriate or the plan changes?
Who can explain options if the cost is no longer manageable?

Avoid reacting to an old deadline

Do not buy extra supplies, change your dose or arrange a switch because of a dated promotion. Discuss your situation with the prescriber and follow the existing plan until a change is agreed.

A balanced meal with protein, vegetables and grains — An individual care plan should address nutrition as well as weight change.

What about NHS care?

Do not use this 2025 pricing article to decide whether you qualify for NHS support today. NHS pathways and local implementation can change. Ask your GP or local service about current options; not qualifying for one medicine does not mean there is no other support available. Start with NHS guidance on weight management.

Discuss your weight-management care

Complete Puri Pharmacy’s confidential assessment to ask about suitable support, starting care or changing provider. A clinician reviews your information before any treatment decision. This is not an urgent-care route.

Start my weight-management assessment

Frequently Asked Questions

Mounjaro prices will increase nationwide on 1st September 2025. This affects all doses (2.5 mg to 15 mg) and all providers, including pharmacies, private clinics, and online prescribers.

As of August 2025, Mounjaro costs between £170 and £240 per month, depending on your dose and provider. Prices will increase by an estimated 10–20% from September.

While final pricing varies by provider, most patients can expect to pay £20–£40 more per month after 1st September 2025. Higher doses will see the biggest increases.

Eli Lilly, the manufacturer, is aligning UK prices with those in other developed countries. The change is due to high demand, new clinical data, and global market adjustments.

Yes. Every UK provider purchases Mounjaro from the same supplier, Eli Lilly. Any wholesale increase affects all pharmacies, clinics, and online providers.

No, Mounjaro will have the same active ingredient (tirzepatide), the same dosage options, and the same clinically proven results. Only the price is changing.

There is no manufacturer shortage, but stock could temporarily run low in late August as patients bulk-buy before the price rise. Ordering early guarantees supply.

Yes, but only if you meet strict criteria:

BMI ≥ 40 (or ≥ 37.5 for certain ethnic backgrounds)
At least four obesity-related conditions (e.g., Type 2 diabetes, hypertension)
Prescription from a specialist service under NICE guidelines
Most private patients will not qualify.

No, importing prescription medicines without proper authorisation is illegal in the UK and poses serious safety risks.

The most cost-effective option is to buy multiple months at the current price before September. Puri Pharmacy offers multi-month bundles with nationwide delivery and/or collection

Yes, our pharmacists can guide you through a safe transition to Wegovy® (semaglutide), which offers similar results and may be significantly cheaper after September.

Yes. Wegovy currently costs £99–£169 per month, compared to Mounjaro’s £170–£240. After September, the gap is expected to widen further.

Clinical trials show Mounjaro produces slightly higher average weight loss (~20% vs ~15%). However, higher dose Wegovy (7.2 mg, expected late 2025) has shown comparable results in some studies.

Both are GLP-1 medications, so common side effects include nausea, bloating, and digestive discomfort. Side effects typically reduce over time.

Yes, but you may experience a return of appetite and risk of regaining weight. We recommend switching to an alternative to maintain progress.

There are currently no plans from Eli Lilly to reduce Mounjaro’s UK prices after September 2025.

Speak to our pharmacists about dose optimisation; in some cases, patients can remain on a lower dose without affecting results, saving hundreds annually.

Yes, if you start before September, you can lock in the current price and even buy ahead to save money.

Future price changes are possible, especially given the high global demand for GLP-1 medications. Buying in advance reduces your exposure to future rises.

Mounjaro Price Increase September 2025 – What UK Patients Need to Know

What remains useful from a pricing update?

Questions to ask about the full cost

Avoid reacting to an old deadline

What about NHS care?

Ask Rahul

How should a patient respond when treatment becomes unaffordable?

Discuss your weight-management care

Frequently Asked Questions

When will Mounjaro prices go up in the UK?

How much is Mounjaro in the UK right now?

How much will Mounjaro cost after September 2025?

Why is Mounjaro going up in price?

Does the Mounjaro price increase affect all providers?

Is the medication itself changing?

Will Mounjaro become harder to get after September?

Can I get Mounjaro on the NHS?

Can I buy Mounjaro abroad to save money?

What’s the cheapest way to keep taking Mounjaro?

Can I switch from Mounjaro to Wegovy?

Is Wegovy cheaper than Mounjaro?

Is Wegovy as effective as Mounjaro?

What are the side effects of Mounjaro vs Wegovy?

Can I stop Mounjaro suddenly?

Will prices come back down?

How can I make my Mounjaro last longer?

Can I still start Mounjaro treatment before the price rise?

Will the Mounjaro price increase happen again?

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