Chemist4U: Mounjaro price, compared

Here’s how Chemist4U’s indicative Mounjaro® prices stack up against the cheapest UK pharmacy at each dose. If you’re on a maintenance dose, the gap adds up fast.

DoseChemist4UCheapest UKDiff / pen
2.5 mg£148£148Cheapest
5 mg£188£169+£19
7.5 mg£248£219+£29
10 mg£278£255+£23
12.5 mg£288£269+£19
15 mg£298£279+£19

Across a year of maintenance dosing you could pay up to £236.17 more here than at the cheapest pharmacy at some doses. JabDay tracks this automatically for your exact dose.

Indicative pricing maintained by JabDay; confirm at the pharmacy checkout. See the full Mounjaro price comparison.

Why Chemist4U's Mounjaro price is worth checking

Private Mounjaro® (tirzepatide) has no fixed UK list price, so every online pharmacy sets its own. Prices at Chemist4U and its competitors change frequently with promotions, first-order discounts and stock levels, and the gap between the cheapest and most expensive provider at the same dose strength can exceed £100 a month once you reach a maintenance dose. That is why it pays to compare per-pen prices before every reorder — not only when you first start treatment.

JabDay maintains a table of these prices so you can see at a glance whether you are paying over the odds. When you log what you actually paid at Chemist4U, JabDay compares it against the cheapest UK option at your exact dose and shows your potential yearly saving, turning a switch of pharmacy into an informed decision rather than guesswork. It also keeps your full jab history, titration ladder and weight trend in one place, on any device.

Frequently asked

Is Chemist4U the cheapest place to buy Mounjaro?

Not always. The table above shows how it compares dose-by-dose against other major UK pharmacies; the cheapest provider varies by dose strength and changes over time.

Why do Mounjaro prices differ so much between pharmacies?

Each private pharmacy sets its own margin and runs different promotions. There is no NHS-style fixed price for private prescriptions, so shopping around genuinely pays off.

Does a higher dose cost more?

Usually, yes — higher strengths tend to cost more per pen, so your monthly spend typically rises as you move up the titration ladder.

Track your price on JabDay