How Much Does Mounjaro Cost to Buy in the UK?

Step 1: understand how UK private Mounjaro pricing is structured

When people search for how much it costs to buy Mounjaro in the UK, they usually find a range of headline figures that can be hard to compare directly. That's because private pricing covers several different things that providers bundle (or don't) in different ways.

The Mounjaro KwikPen contains four weekly doses. Each pen corresponds to one strength: 2.5mg, 5mg, 7.5mg, 10mg, 12.5mg or 15mg. Treatment starts at 2.5mg as the body adjusts, then steps up under a prescriber's guidance. Lower doses cost less than higher ones, so the price you pay changes as your treatment progresses. If you want dose-specific figures, what 5mg Mounjaro costs privately and 10mg Mounjaro pricing are covered separately.

The broader context matters too. Eli Lilly's September 2025 list-price increase (reported widely at the time) pushed the highest-dose pen's list price from roughly £122 to around £330. Private providers set their own prices above that floor, which is why you'll see figures quoted anywhere from the low £100s to over £350 depending on dose and supplier. The background to that price rise is worth reading if you want the full picture.

One practical note: wherever you keep your pen (many people store theirs in the fridge door) the medicine needs refrigerating at 2–8°C. That's worth factoring in before you consider any provider who can't guarantee cold-chain delivery.

Step 2: check what the quoted price actually covers

A headline price for Mounjaro sometimes covers the pen only. Other common additions that may or may not be included: the initial consultation fee, the prescription charge, delivery, and any follow-up clinical support between doses.

Those extras can add up. A £20 consultation fee, a £10–15 prescription charge and a delivery fee of £5–10 can shift the real cost of an apparently cheap listing by £35–50 before a single injection. If you're trying to work out how much it is to buy Mounjaro once all those layers are included, that breakdown covers the full picture in more detail.

Aftercare matters clinically, not just financially. Mounjaro is a Black Triangle medicine under additional MHRA monitoring. Prescribers are required to review clinical suitability before every repeat order. A provider that takes no interest in how you're responding between orders is not meeting that standard, and a very low price is sometimes the signal that something has been skipped.

The clinical team at nume re-reviews every patient before dispatch, regardless of how many previous orders they've had. That review isn't a formality.

Step 3: weigh up what 'good value' actually means for a prescription medicine

nume's pricing is transparent: one amount covers the consultation, the prescription, the treatment, and free next-working-day DPD delivery. No subscription. No automatic renewal. A real prescriber (not a screening algorithm) reads your answers before anything is approved or sent. If you'd like a clear breakdown of how much Mounjaro costs across all doses and what that includes, that page sets it out in full. Current treatment prices are listed on the consultation and treatment page.

We are not the cheapest option, and that's a deliberate choice. The difference in price is the difference between a thorough clinical process and a lighter one. For a prescription medicine, the cheapest listing answers the wrong question; supply-chain integrity and genuine clinical oversight are the measures that keep you safe.

If the gap between providers still feels significant, it helps to know what NICE says about eligibility. Our Mounjaro overview covers who the medicine is licensed for privately and what the NHS criteria look like in comparison. For anyone exploring the broader options, our weight-loss treatment page sets out what's available.

The MHRA has also issued public warnings about fake weight-loss pens sold online, including counterfeit tirzepatide. Any seller offering Mounjaro at prices far below the private market (or without a clinical assessment) is a red flag worth taking seriously. You can verify any online pharmacy on the GPhC register before you order. You can also report suspect sellers via the MHRA Yellow Card scheme.

Questions about how pricing compares across doses? The FAQs cover several common queries, or you can contact our team directly.