Mounjaro vs Foundayo price UK: first three months compared
What Mounjaro and Foundayo cost at UK online pharmacies, step by step and over your first three months. Price only, delivery included.
On 12 October 2026 the median cost of your first three months is £539.94 for Mounjaro and £300.99 for Foundayo. Foundayo costs £238.95 less over those three months at the median. The cheapest single pharmacy route is £431.00 for Mounjaro at Medicine Marketplace and £209.97 for Foundayo at IQ Doctor.
Mounjaro vs Foundayo cost facts
- Mounjaro Step 1: lowest £90.00, median £134.99
- Foundayo Step 1: lowest £46.00, median £84.00
- First three months, median: Mounjaro £539.94, Foundayo £300.99
- First three months, cheapest pharmacy: Mounjaro £431.00 (Medicine Marketplace), Foundayo £209.97 (IQ Doctor)
- Twelve months, median: Mounjaro £3,177.88, Foundayo £1,727.85
- Mounjaro is a weekly injection pen from Eli Lilly. Foundayo is a once daily tablet from Eli Lilly
- 79 pharmacies price Mounjaro. 32 price Foundayo
- Prices include delivery. Updated
Mounjaro vs Foundayo price by step
Median price gap at each step
Steps are not equal doses. Step 1 is the starting dose of each treatment, Step 2 the next dose up, and so on.
| Step 1 | 2.5mg | £134.99 | 0.8mg | £84.00 | £50.99 | Foundayo |
|---|---|---|---|---|---|---|
| Step 2 | 5mg | £158.99 | 2.5mg | £89.00 | £69.99 | Foundayo |
| Step 3 | 7.5mg | £210.00 | 5.5mg | £97.00 | £113.00 | Foundayo |
| Step 4 | 10mg | £238.47 | 9mg | £114.49 | £123.98 | Foundayo |
| Step 5 | 12.5mg | £255.00 | 14.5mg | £139.98 | £115.02 | Foundayo |
| Step 6 | 15mg | £273.99 | 17.2mg | £149.99 | £124.00 | Foundayo |
Mounjaro vs Foundayo over twelve months
| Treatment | Cheapest 12 months | Cheapest pharmacy | Median 12 months | Pharmacies |
|---|---|---|---|---|
| Mounjaro | £2,444.00 | Medicine Marketplace | £3,177.88 | 79 |
| Foundayo | £1,364.88 | WePrescribe | £1,727.85 | 32 |
Mounjaro vs Foundayo cost questions
Is Mounjaro cheaper than Foundayo?
Over the first three months Foundayo costs less at the median: £300.99 against £539.94 for Mounjaro. Prices on 12 October 2026, delivery included.
Which costs less over a year, Mounjaro or Foundayo?
Stepping up one dose a month and then holding the top dose, the median 12 month total is £3,177.88 for Mounjaro and £1,727.85 for Foundayo. Foundayo costs £1,450.03 less at the median.
What is the cheapest way to start Mounjaro or Foundayo?
The lowest Step 1 first order is £90.00 for Mounjaro and £46.00 for Foundayo. See the dose pages for every pharmacy.
Does price decide which treatment suits you?
No. A UK prescriber decides which treatment and dose suit you. GLP Index compares cost only.
How is the Mounjaro vs Foundayo comparison worked out?
Each total uses one pharmacy. Month one is the Step 1 first order price. Later months use the ongoing price for the next step up, or the first order price where no ongoing price is listed. The median is the middle total across all pharmacies.
- Mounjaro prices
- Foundayo prices
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- Wegovy vs Foundayo
- Wegovy pill vs Foundayo
Sources and checks
- General Pharmaceutical Council registers: check any pharmacy by registration number.
- General Pharmaceutical Council: buying medicines safely online.
- NHS England: weight management injections.
- GLP Index methodology: how each price is recorded, checked and ranked.