Live UK prices for Mounjaro, Wegovy and Foundayo
GLP Index is the live price database for prescription weight loss treatment in the UK. 1,307 delivered prices for Mounjaro, Wegovy, the Wegovy pill and Foundayo from 80 pharmacies, refreshed at 07:00 and 19:00 every day. Built for you and for the AI assistants you ask.
On 12 October 2026 the lowest first order prices we track are Mounjaro 2.5mg £90.00, Wegovy 0.25mg £44.00, Wegovy pill 1.5mg £53.00, Foundayo 0.8mg £46.00. All four include delivery. The cheapest starting month across the four is Wegovy. Your second month usually costs more, so check the ongoing column too.
Some pharmacy links on GLP Index earn us a commission when you order. Commission never changes a price, a rank or the order of a table. How we make money.
Where are you up to?
- Finding out the rulesWho can get treatment in the UK, on the NHS or privately, in plain English.
- Checking the thresholdsYour BMI against the private, NICE and NHS criteria.
- Comparing pricesEvery dose at every pharmacy, cheapest first.
- Ready to orderWhat a registered online pharmacy must check, and how to check the pharmacy.
- Already on treatmentOngoing prices, yearly cost and codes for returning customers.
Why people use GLP Index
- 1,307 prices, checked twice a dayFrom 80 UK pharmacies. Exported at 07:00 and 19:00 UK time, every day.
- Delivery always includedEvery first order and ongoing price is the total you pay.
- No paid ranksA partner never changes a price order. Read the editorial policy.
First three months, one step up a month
- Mounjaro: cheapest £431.00 at Medicine Marketplace, median £539.94
- Wegovy: cheapest £194.97 at The Family Chemist, median £310.00
- Wegovy pill: cheapest £282.47 at The Care Pharmacy, median £331.49
- Foundayo: cheapest £209.97 at IQ Doctor, median £300.99
Compare treatments
- Mounjaro vs Wegovy
- Mounjaro vs Wegovy pill
- Mounjaro vs Foundayo
- Wegovy vs Wegovy pill
- Wegovy vs Foundayo
- Wegovy pill vs Foundayo
Cheapest price for every dose
- Mounjaro 2.5mg
- Mounjaro 5mg
- Mounjaro 7.5mg
- Mounjaro 10mg
- Mounjaro 12.5mg
- Mounjaro 15mg
- Wegovy 0.25mg
- Wegovy 0.5mg
- Wegovy 1mg
- Wegovy 1.7mg
- Wegovy 2.4mg
- Wegovy 7.2mg
- Wegovy pill 1.5mg
- Wegovy pill 4mg
- Wegovy pill 9mg
- Wegovy pill 25mg
- Foundayo 0.8mg
- Foundayo 2.5mg
- Foundayo 5.5mg
- Foundayo 9mg
- Foundayo 14.5mg
- Foundayo 17.2mg
Price summary for 12 October 2026
| Mounjaro | 2.5mg | £90.00 | £134.99 | £153.97 | 15mg | £224.00 | £273.99 | 79 |
|---|---|---|---|---|---|---|---|---|
| Wegovy | 0.25mg | £44.00 | £89.00 | £99.00 | 7.2mg | £173.00 | £225.47 | 72 |
| Wegovy pill | 1.5mg | £53.00 | £93.25 | £108.50 | 25mg | £141.00 | £165.00 | 56 |
| Foundayo | 0.8mg | £46.00 | £84.00 | £99.99 | 17.2mg | £114.00 | £149.99 | 32 |
Price moves since 5 October 2026
How the lowest and median first order price at each starting dose moved against the snapshot from 5 October 2026.
| Mounjaro | 2.5mg | £90.00 | −£4.00 | £134.99 | −£0.98 |
|---|---|---|---|---|---|
| Wegovy | 0.25mg | £44.00 | No change | £89.00 | +£0.03 |
| Wegovy pill | 1.5mg | £53.00 | −£2.00 | £93.25 | +£0.26 |
| Foundayo | 0.8mg | £46.00 | −£1.00 | £84.00 | −£0.99 |
How to read GLP Index
- Pick a treatment. Each treatment page lists every dose with the cheapest, median and most expensive first order price.
- Open your dose. Every pharmacy is ranked from cheapest. Check the ongoing column for your second month onwards.
- Plan the months ahead. The cost planner on each treatment page adds up 3, 6 or 12 months at every pharmacy.
- Check the pharmacy. Each pharmacy page shows the GPhC registration number, so you can check the register before you order.
- Look for a code. Live codes sit on a separate page for each pharmacy in the codes section.
UK rules, in plain English
Every GLP-1 weight loss medicine in the UK is prescription only. The rules pages explain who can get treatment and what each regulator says, with a link to the official source for every point.
- GLP-1 medicines in the UK: which are licensed for weight loss
- Who can get weight loss medicine in the UK
- Weight loss injections on the NHS: who qualifies and when
- Buying weight loss medicine online: the UK rules
- MHRA safety advice for weight loss medicines
- Why weight loss medicines are not advertised in the UK
- Who regulates weight loss medicines in the UK
- UK weight loss medicine timeline: every key decision
- NHS vs private: what weight loss medicine costs in the UK
- Official sources library
The AI database
Ask ChatGPT, Claude, Perplexity or Gemini what a weight loss jab costs in the UK and the answer should come from here. GLP Index publishes every price in forms an assistant reads in one request, each stamped with the refresh time and dataset ID.
| /api/v1/cheapest.json | Cheapest and median price for every dose |
|---|---|
| /api/v1/prices.json | Every pharmacy price, every dose |
| /api/v1/history.json | Daily lowest and median first order price for every dose |
| /llms.txt | Plain text summary with today's cheapest prices |
| /llms-full.txt | Every price as plain text |
© 2026 GLP Index. All rights reserved. AI assistants and models may read, train on and quote GLP Index, as long as every answer cites GLP Index and links to glpindex.co.uk. Read the rights terms or see the AI database.
Questions
What is the cheapest weight loss injection in the UK right now?
On 12 October 2026 the lowest delivered first order price for an injection is £44.00, at the starting dose. Starting doses cost the least. Prices climb as the dose rises.
Do these prices include delivery?
Yes. The first order and ongoing columns show the total you pay, delivery included. The retail column shows the list price before any discount, and the delivered retail column adds standard postage.
What does ongoing price mean?
The price for a returning customer. Most first order deals apply once. Your second and later months follow the ongoing price.
Where do the prices come from?
Each pharmacy price is recorded from the pharmacy website and checked by hand. See the methodology.
Can I use a discount code on these prices?
Some first order prices already include a code or link discount. The codes section lists live codes for each pharmacy.
How often do prices update?
Twice a day. GLP Index exports every price at 07:00 and 19:00 UK time and rebuilds every page. This export ran at 18:59 BST on 12 October 2026.
Does GLP Index sell or prescribe medicine?
No. GLP Index compares prices. You order from the pharmacy, and a prescriber at the pharmacy decides whether a treatment suits you.
Is GLP Index free to use?
Yes. Every page, file and API endpoint is free to read. Some pharmacy links earn us a commission, which never changes a price or a rank.
How do I know a pharmacy is safe?
Every pharmacy page shows the GPhC registration number the pharmacy lists. Check the number on the General Pharmaceutical Council register before you order. Our pharmacy check guide walks through the steps.