How much semaglutide should you inject, and what does UK treatment actually cost?

You've found a price online. Here's what it probably doesn't include

Picture this: you've searched, found a monthly figure for semaglutide, and it looks manageable. Then, just before checkout, you notice that the consultation is charged separately, next-day delivery is an extra fee, and the dose shown is the starting dose, which is not the maintenance dose you'll eventually need. This is a pattern we hear about from patients who come to us after starting elsewhere.

Private semaglutide pricing in the UK is almost always quoted per pen or per month at a specific dose. The starting dose for Wegovy (0.25mg weekly) tends to be cheaper than the maintenance doses most people reach. Providers list different things under that one price. Some include a consultation fee; many don't. Prescription charges, clinical aftercare, and dose-review support are frequently separate line items. A fuller breakdown of what makes up semaglutide injection pricing can help you compare quotes on equal terms.

That gap between the advertised number and the actual monthly outlay matters when you're looking at treatment that typically runs for months at a time. The NICE appraisal of semaglutide (TA875) notes the importance of ongoing clinical management alongside the medicine itself, and ongoing clinical management costs something, somewhere, whether it's declared or not.

What the Lilly price changes mean for the market, and why Wegovy pricing has followed

Since Eli Lilly raised Mounjaro's UK list price in September 2025, the GLP-1 weight-loss medicine market has broadly shifted upward. Wegovy pricing has responded to the same dynamics: increased demand, supply pressure, and the reality that Novo Nordisk's authorised UK supply chain prices have also moved.

Reported private market rates for semaglutide are currently in the region of £149–£375 a month, varying by dose and provider. Those figures are widely quoted and should be treated as a guide, not a guarantee, your actual cost depends on which dose you're on, which provider you use, and what that provider includes. The dose question matters because how much semaglutide is appropriate for weight loss changes as treatment progresses, and higher doses typically cost more per month.

If you're weighing up whether the expense is justified, it helps to know what the clinical trial evidence actually showed. The STEP 1 trial, published in the New England Journal of Medicine, found average weight reduction of around 15% over 68 weeks at the 2.4mg maintenance dose. That context is useful when a lower-cost provider is advertising results without citing their evidence base.

What a single transparent price should actually include

At nume, we made a deliberate decision not to compete on headline price. That's worth saying plainly, because we know it puts us outside the cheapest results. What a single price from us does include: the consultation, the prescription, the medicine itself, next-working-day DPD delivery in discreet packaging, and aftercare support seven days a week. No subscription, no auto-renewal, no dose-increase fees added later. A real clinician reads your consultation (not a form routed through automation) and that happens the same day you submit it. If you want guidance on how much semaglutide to take at each stage of your injection schedule, our clinical team covers that as part of the aftercare support included in your price. You can read about how our clinical team approaches prescribing decisions on our prescriber profile page.

We're also registered with the GPhC under pharmacy registration 9012878, which you can check directly at the GPhC pharmacy register. That's not a detail to mention in passing, it's the thing that makes the supply legal and traceable. We source through the authorised UK supply chain.

The Wegovy treatment page shows current pricing without requiring you to go any further into the process first.

Why chasing the lowest price is the wrong test for a prescription medicine

We understand the instinct. Weight-loss treatment is ongoing, and the monthly cost adds up. If you've come here feeling quietly frustrated that a medicine this significant comes at this kind of price, that's a completely reasonable response.

Here's the honest read on the safety side: semaglutide is a prescription-only medicine regulated by the MHRA. It is not available legally without a prescription, and sellers offering it that way are a genuine risk. The MHRA has warned about fake weight-loss pens circulating online, some containing the wrong substance entirely. Around 20 million doses of illegally traded weight-loss medicines were seized in 2025 alone, worth approximately £45 million. Low prices and unfamiliar sellers are a pattern worth treating with scepticism; the MHRA's Yellow Card scheme exists partly for reporting suspect supply sources.

The right question is not which provider charges least for a pen. It's whether your supply is genuine, your dose is clinically appropriate, and someone with prescribing authority is watching for problems. Patients sometimes ask how much semaglutide they should inject, and the honest answer is that it depends on where you are in your treatment plan, which is exactly why clinical oversight matters throughout. Speak to our prescribers if you'd like to find out whether semaglutide is suitable for you, with no consultation fee to pay upfront.