Mounjaro vs Wegovy price UK: first three months compared

What Mounjaro and Wegovy cost at UK online pharmacies, step by step and over your first three months. Price only, delivery included.

By GLP IndexPrices refreshed 12 October 2026, 18:59 BSTHow we check prices

On 12 October 2026 the median cost of your first three months is £539.94 for Mounjaro and £310.00 for Wegovy. Wegovy costs £229.94 less over those three months at the median. The cheapest single pharmacy route is £431.00 for Mounjaro at Medicine Marketplace and £194.97 for Wegovy at The Family Chemist.

Mounjaro vs Wegovy cost facts

Mounjaro Step 1: lowest £90.00, median £134.99
Wegovy Step 1: lowest £44.00, median £89.00
First three months, median: Mounjaro £539.94, Wegovy £310.00
First three months, cheapest pharmacy: Mounjaro £431.00 (Medicine Marketplace), Wegovy £194.97 (The Family Chemist)
Twelve months, median: Mounjaro £3,177.88, Wegovy £2,333.64
Mounjaro is a weekly injection pen from Eli Lilly. Wegovy is a weekly injection pen from Novo Nordisk
79 pharmacies price Mounjaro. 72 price Wegovy
Prices include delivery. Updated 12 October 2026, 18:59 BST

Mounjaro vs Wegovy price by step


Step 1	2.5mg	£90.00	£134.99	0.25mg	£44.00	£89.00
Step 2	5mg	£120.00	£158.99	0.5mg	£63.00	£96.47
Step 3	7.5mg	£171.00	£210.00	1mg	£70.00	£100.99
Step 4	10mg	£193.00	£238.47	1.7mg	£93.00	£144.49
Step 5	12.5mg	£207.00	£255.00	2.4mg	£113.00	£190.96
Step 6	15mg	£224.00	£273.99	7.2mg	£173.00	£225.47

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.

Mounjaro against Wegovy: median first order price at each step on 12 October 2026. Source: GLP Index.

Step 1	2.5mg	£134.99	0.25mg	£89.00	£45.99	Wegovy
Step 2	5mg	£158.99	0.5mg	£96.47	£62.52	Wegovy
Step 3	7.5mg	£210.00	1mg	£100.99	£109.01	Wegovy
Step 4	10mg	£238.47	1.7mg	£144.49	£93.98	Wegovy
Step 5	12.5mg	£255.00	2.4mg	£190.96	£64.04	Wegovy
Step 6	15mg	£273.99	7.2mg	£225.47	£48.52	Wegovy

Mounjaro vs Wegovy over twelve months

Twelve month delivered cost of Mounjaro and Wegovy, stepping up one dose a month then holding the top dose. Source: GLP Index.
Treatment	Cheapest 12 months	Cheapest pharmacy	Median 12 months	Pharmacies
Mounjaro	£2,444.00	Medicine Marketplace	£3,177.88	79
Wegovy	£1,898.88	Heba	£2,333.64	58

Twelve months assumes one step up each month and then the top dose, at one pharmacy. A pharmacy missing a dose is left out.

First three months assumes you move up one step a month: the Step 1 first order price, then Step 2 and Step 3 at the ongoing price (or the first order price where no ongoing price is listed), at one pharmacy.

GLP Index compares prices. A UK prescriber decides which treatment and dose suit you.

Mounjaro vs Wegovy cost questions

Is Mounjaro cheaper than Wegovy?

Over the first three months Wegovy costs less at the median: £310.00 against £539.94 for Mounjaro. Prices on 12 October 2026, delivery included.

Which costs less over a year, Mounjaro or Wegovy?

Stepping up one dose a month and then holding the top dose, the median 12 month total is £3,177.88 for Mounjaro and £2,333.64 for Wegovy. Wegovy costs £844.24 less at the median.

What is the cheapest way to start Mounjaro or Wegovy?

The lowest Step 1 first order is £90.00 for Mounjaro and £44.00 for Wegovy. 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 Wegovy 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.

GLP Index compares prices and gives no medical advice. These are prescription only medicines. A UK prescriber decides whether a treatment and a dose suit you. Confirm the total at checkout before you pay.

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.

Cite this page

GLP Index. Mounjaro vs Wegovy price UK. Updated 12 October 2026, 18:59 BST. Dataset GLPX-20261012-1859. https://glpindex.co.uk/compare/mounjaro-vs-wegovy-price/

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