The cheapest place for weight loss injections: what you're really comparing

How UK private pricing for weight loss injections actually works

The UK private market for injectable weight-loss medicines is genuinely varied in how it prices treatment. Eli Lilly raised Mounjaro's UK list price significantly from September 2025 (the highest dose's list price moved from around £122 to around £330 per four-week pen) and since then, private providers have priced across a wide range, typically from around £149 to £375 per month depending on dose and service level, as widely reported at the time of the change.

Those figures are real market context, not a promise about what you'll pay. Wegovy (semaglutide) has its own pricing curve, rising with each dose step. Both medicines are licensed by the MHRA for weight management in adults who meet specific clinical criteria, and both carry a Black Triangle status indicating they are subject to additional monitoring. NICE has appraised both (tirzepatide under TA1026 and semaglutide under TA875) and the licensed eligibility thresholds matter whether you go NHS or private.

The point is that any price you see is a starting figure. The real cost depends on what surrounds it: whether a consultation is charged separately, whether the prescription is an add-on, whether delivery costs extra, and whether clinical support between doses is included or metered. If you're also trying to work out where the cheapest place to buy weight loss injections actually is, it helps to understand what distinguishes one service from another before making any decision about where to go.

What a cheap headline price usually leaves out

A low number on a provider's homepage typically reflects just the medicine itself. That is where the comparison gets complicated. Across the private market, consultation fees range from zero to £50 or more per appointment. Prescription charges (sometimes called a 'clinical review fee') can add another layer. Delivery on repeat orders, express dispatch, and aftercare support may each carry their own charge.

This matters in practice. If you order monthly and pay £15 delivery each time, that is £180 a year that never appears in the headline price. If your dose increases after three months and requires a paid clinical review, the maths shifts again. Some providers also operate on subscription models that auto-renew; others require separate payment for GP notification, which regulated pharmacies are expected to provide in line with GPhC guidance.

If you want to understand the full landscape before committing to anything, our guide to the cheapest place to get weight loss injections breaks this down in more detail. The short version: total cost of treatment over six months is a more honest comparison than a per-pen price on a landing page.

Where nume sits on price, and why we made that choice

We are not the cheapest option on the market. That is a deliberate decision, not an oversight. Our single transparent price covers the consultation, the prescription, the medicine, and free next-working-day tracked delivery by DPD on every order. There are no hidden clinical review fees on repeat orders, no delivery add-ons, and no auto-renewing subscriptions. Every repeat order goes through a fresh clinical review by a GPhC-registered Independent Prescriber before anything is dispatched, a real person reads your case, not software.

Order before 12pm Monday to Friday and, once clinically approved, your treatment goes out the same day. A lot of our patients plan around that: payday orders, a Monday submission before the week starts, or stocking up before a holiday. Whatever the timing, the process is the same. You can see what treatment currently costs on our treatment page, we don't publish per-pen prices in editorial copy, because a price without clinical context is just a number.

Our GPhC-registered pharmacy (registration number 9012878, verifiable at the GPhC register) sources medicines through the licensed UK supply chain. If you want to check any online pharmacy's legitimacy before ordering, that register is the right starting point.

Why 'cheapest' is the wrong test for a prescription medicine

For most purchases, price is a reasonable proxy for value. For a Prescription-Only Medicine dispensed by an online pharmacy, it is not. The MHRA has warned publicly about counterfeit weight-loss pens sold online, fake pens have in some cases contained insulin rather than the labelled medicine, with serious consequences for patients. Enforcement in 2025 resulted in around 20 million doses of illegally traded weight-loss medicines seized (approximately £45 million street value), including the first illicit UK site manufacturing counterfeit tirzepatide pens, and if you're researching which injectable weight loss drug is genuinely the cheapest, understanding this enforcement context is part of making a safe comparison. You can report suspect sellers directly via the MHRA's Yellow Card scheme.

The red flags are consistent: sellers offering these medicines without a prescription or independent clinical assessment, prices substantially below the market range described above, social media listings, and unverified 'discount codes' attached to POM medicines. Legitimate providers (whether NHS or private) require a prescriber to assess you before issuing a prescription. That step cannot be skipped, and a seller who appears to skip it is the one to avoid regardless of price.

If you have questions about what the process involves before starting, our FAQs cover the most common ones. The right question to ask of any provider is not 'are you the cheapest?' but 'can I verify you on the GPhC register, do you have a prescriber who reviews my case personally, and is the medicine sourced through the licensed UK supply chain?' Price is only meaningful once those answers are satisfactory, and our page on the cheapest place to buy weight loss injections explains what to look for when you're comparing options. If you'd like to go deeper on costs before deciding, our guides to finding the cheapest weight loss injections and to the cheapest weight loss injection available in the UK walk through how the numbers compare across providers. When you're ready to take the next step, start your free consultation and a prescriber will assess whether treatment is right for you.