The Cheapest Weight Loss Injection in the UK — and What That Price Really Means

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Treatment dispensed by our GPhC-registered UK pharmacy and dispatched the same working day once approved, before 12pm
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The cheapest weight loss injection available in the UK right now typically starts around £149 per month at lower doses, with private prices rising to roughly £330–£375 at higher doses following Eli Lilly's list-price increase in September 2025. Those figures vary by provider, by dose, and (critically) by what the headline includes. Mounjaro (tirzepatide) and Wegovy (semaglutide) are both prescription-only medicines, which means no price, however low, is legitimate without a clinical assessment by a qualified prescriber. If you're searching for the cheapest option, that's a completely reasonable place to start. The cost of long-term treatment is real, and working out whether it makes sense for your situation is exactly the kind of question a prescriber should help you answer.

Starting from £29.99/mo

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Where are you starting from?

BMI isn't the whole story, but it's where clinicians start. Check yours in ten seconds — nothing is stored, nothing is shared.

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which is in the healthy weight range

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BMI doesn't determine eligibility — only a clinician can assess whether treatment is right for you.

Treatment options

Weight loss treatments

The problem

Most weight loss services treat you like a transaction, a checkout, a courier, and you're on your own.

Algorithm approvalsNo real clinicianGeneric dosingHidden feesSlow deliverySilence after checkout

The nume way

We built the opposite: one clinician who knows you, guaranteed care at every step.

24 hrs

clinician review. Free next working day delivery.

How it works

From consultation to your door, properly.

Tell us about your health, history and goals. Free, online, and confidential — no commitment, no waiting room.

Our team reviews your health the same day — never an algorithm, and approves your treatment there and then if eligible.

Order by 12pm, dispatched same day, delivered free the next working day — the nume Promise.

Why the cheapest listing and the best-value option are rarely the same thing

You've found a price that looks lower than the rest, here's what to check next

Picture this: you've spent twenty minutes comparing prices across a handful of websites, and one is noticeably cheaper than the others. Before anything else, it's worth asking what that number actually covers. Private weight-loss injection prices in the UK are not standardised. Some providers quote the medicine alone; the consultation fee, the prescription charge, and delivery are added at checkout. Others bundle everything. A few charge ongoing membership fees on top of treatment. The price that looks cheapest at the top of a search results page is frequently not the price you pay.

The range reported across the UK private market since September 2025 is roughly £149 to £375 per month depending on dose and provider, as widely reported following Eli Lilly's list-price revision. At the lower end of that range, some services are operating on very thin margins, which can affect the quality of clinical oversight and aftercare. At the top end, some providers are simply charging more for a comparable service. Context matters more than the headline figure.

You can read more about how private pricing works, and what drives the differences, on our guide to cheapest weight-loss injections. The short version: add up everything before you compare anything.

What tends to be missing when a price looks unusually low

When a price for a weight-loss injection seems surprisingly low, one or more of the following is usually absent. A meaningful clinical consultation, not a five-question form but a review of your full health picture, your medications, your weight history and your goals. A qualified prescriber who reads your answers as a person rather than a software filter. Evidence checks for patients transferring from another provider or requesting a dose increase. Aftercare access when a side effect appears at 9pm on a Saturday.

These are not optional extras in the way that, say, express shipping might be. They are the clinical infrastructure that makes GLP-1 treatment safe. The NHS England guidance on weight management injections is clear that these medicines should be used alongside appropriate support and monitoring, not dispensed in isolation.

There is also the counterfeit risk. The MHRA has warned publicly about fake weight-loss pens sold online and via social media, some containing insulin rather than tirzepatide or semaglutide, and has seized large quantities of illegally traded medicines in UK enforcement operations. The MHRA's Yellow Card scheme lets you report suspect sellers directly. If you are trying to work out what the cheapest weight loss injection actually is, it is worth reading how legitimate pricing is structured before drawing any conclusions from an unusually low number.

Where nume sits on the price spectrum, and why

We are not the cheapest option on the market. That is a deliberate decision. Our model is one transparent price that covers everything: the consultation, the prescription, the medicine, and free next-working-day delivery by DPD. There are no add-ons revealed at checkout, no membership fee, no auto-renewal. Every repeat order goes through a fresh clinical review, your prescriber looks at your progress, your current dose and any concerns before anything is dispensed again.

Our pharmacy holds GPhC premises registration 9012878, verifiable directly on the GPhC register. Every consultation is reviewed personally by a GPhC-registered Independent Prescriber. That is not a marketing claim; it is the standard we operate to, and one you can check. Our clinical team is named and qualified.

Current treatment pricing is shown on our treatments page, alongside eligibility information. We do not publish per-pen prices in our content because the right dose for you is a clinical question, not a shopping decision.

Price is the wrong starting question for a prescription medicine

For most purchases, finding the cheapest option is sensible. For a prescription-only medicine that works by altering appetite signalling, slowing gastric emptying and requiring careful dose titration over months, the cheapest listing answers the wrong question entirely. The right question is: who is reviewing my health, how thoroughly, and what happens if I need help?

NICE's appraisal of tirzepatide, published as TA1026, sets out the clinical framework under which these medicines should be used. The NHS's own guidance on weight management injections emphasises clinical oversight and wrap-around support throughout treatment. Neither document mentions price optimisation as a goal. If you are researching cheapest weight loss injections through the NHS, that guidance is a useful starting point for understanding what publicly funded access looks like and who currently qualifies.

If you want to understand whether these medicines are right for you, and what a properly supervised private prescription looks like, our free consultation is the place to start. You can also browse our weight management overview or check our frequently asked questions before you decide. If you have read reviews of the cheapest weight loss injections available in the UK and want to understand how those providers compare on clinical standards rather than price alone, our contact page is a good place to ask. Equally, if you want a clearer picture of where to find the cheapest place for weight loss injections while still accessing proper clinical oversight, our team is reachable via our contact page seven days a week.

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The people

Meet the team.

Mahommed Zunaid Ayub Patel

Superintendent Pharmacist (GPhC No. 2217101)

Accountable for the safe running of our registered pharmacy, from every dispensing check to every dispatch.

Mostafa Damghani

Clinical Lead (GPhC No. 2231744)

Sets our clinical standards and checks everything we publish against current MHRA guidance.

Shelan Salih

Independent Prescriber (GPhC No. 2084501)

Personally reviews consultations and assesses whether treatment is clinically appropriate, and leads dose adjustments and follow-up checks.

Rehenaaz Uddin

Independent Prescriber (GPhC No. 2083426)

Personally reviews consultations and assesses whether treatment is clinically appropriate, and leads dose adjustments and follow-up checks.

Frequently asked questions