UK weight loss medicine prices
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Step 1, Step 2 and beyond: what each step means

Every prescription weight loss medicine starts low and moves up in set steps. Our discount code cards use the step number instead of the dose. Here is the dose behind each step for all four medicines, with the lowest UK price at every one.

Prices checked 21 October 2026. Your prescriber decides when you move step. This page is about naming, not medical advice.

Mounjaro steps

All Mounjaro prices

Mounjaro (tirzepatide) is a weekly injection pen (KwikPen). On code cards it appears as "Weekly jab, Lilly". One injection a week. A pen holds four doses, so one pen is about a month. 6 steps in all.

StepDoseWhere it sitsLowest pricePharmacies
Step 1Mounjaro 2.5mgWhere everyone starts, for the first four weeks£88.0080
Step 2Mounjaro 5mgThe second step, after four weeks on 2.5mg£120.0080
Step 3Mounjaro 7.5mgThe third step, after at least four weeks on 5mg£168.0080
Step 4Mounjaro 10mgThe midpoint of the six Mounjaro doses£188.0080
Step 5Mounjaro 12.5mgThe second highest Mounjaro dose£202.0080
Step 6Mounjaro 15mgThe top licensed dose£219.0080
Lowest first-order price per pen, public offer applied, delivery included. Checked 20 October 2026.

Wegovy steps

All Wegovy prices

Wegovy (semaglutide) is a weekly injection pen (FlexTouch). On code cards it appears as "Weekly jab, Novo Nordisk". One injection a week. A FlexTouch pen holds four doses, so one pen is about a month. 6 steps in all.

StepDoseWhere it sitsLowest pricePharmacies
Step 1Wegovy 0.25mgThe starting dose for the first four weeks£44.0074
Step 2Wegovy 0.5mgThe second step up£63.0074
Step 3Wegovy 1mgThe third step up£70.0074
Step 4Wegovy 1.7mgThe fourth step up£93.0074
Step 5Wegovy 2.4mgThe standard maintenance dose£112.0074
Step 6Wegovy 7.2mgThe higher maintenance dose£169.0061
Lowest first-order price per pen, public offer applied, delivery included. Checked 21 October 2026.

Wegovy pill steps

All Wegovy pill prices

Wegovy pill (oral semaglutide) is a daily tablet. On code cards it appears as "Daily pill, Novo Nordisk". One tablet a day. Prices are for a monthly pack. 4 steps in all.

StepDoseWhere it sitsLowest pricePharmacies
Step 1Wegovy pill 1.5mgThe starting dose£53.0058
Step 2Wegovy pill 4mgThe second step up£72.0058
Step 3Wegovy pill 9mgThe third step up£83.0058
Step 4Wegovy pill 25mgThe maintenance dose£128.0057
Lowest first-order price per pack, public offer applied, delivery included. Checked 20 October 2026.

Foundayo steps

All Foundayo prices

Foundayo (orforglipron) is a daily tablet. On code cards it appears as "Daily pill, Lilly". One tablet a day, with or without food. Prices are for a monthly pack. 6 steps in all.

StepDoseWhere it sitsLowest pricePharmacies
Step 1Foundayo 0.8mgThe starting dose£46.0034
Step 2Foundayo 2.5mgThe second step up£63.0034
Step 3Foundayo 5.5mgThe third step up£66.0034
Step 4Foundayo 9mgThe fourth step up£86.0034
Step 5Foundayo 14.5mgThe fifth step up£114.0034
Step 6Foundayo 17.2mgThe top dose£114.0034
Lowest first-order price per pack, public offer applied, delivery included. Checked 21 October 2026.

How the steps work

You start on Step 1 so your body can get used to the medicine. After a set time, four weeks for the weekly jabs, your prescriber can move you to Step 2, then Step 3, and so on. Each step is a higher dose. Side effects tend to be strongest in the first weeks on a new step.

You do not have to climb every step. Plenty of people stay on a middle step for months. The top step is the highest licensed dose, not a target.

Most pharmacies ask at each order whether you want to stay on your current step or move up, and the prescriber signs it off. The price rises with the step, so check the lowest price for your next step before you move. Discount codes by pharmacy.

Step questions

What is Step 1?

Step 1 is the first dose in the schedule for your medicine. For Mounjaro that is 2.5mg, for Wegovy 0.25mg, for the Wegovy pill 1.5mg and for Foundayo 0.8mg. Offers tied to Step 1 cover a first order at the starting dose.

How long do I stay on each step?

For the weekly jabs the usual pattern is at least four weeks on a step before moving up. The daily pills follow their own schedule, set by the prescriber. Your prescriber decides when you move and most pharmacies ask at each order whether you want to stay or step up.

Do I have to go all the way to the top step?

No. Many people settle on a middle step. The right step is the one that works for you with side effects you can live with, and that is a decision for you and your prescriber.

If I switch pharmacy, do I start at Step 1 again?

Usually not. If you have kept up your doses you can stay on your current step or move to the next one, as agreed with the new prescriber. If you have missed doses the prescriber may ask you to drop back, so tell them.

Why do discount code cards say Step 1 instead of the dose?

Our discount code cards name no medicine and no dose. They say Step 1, Step 2 and so on instead. This page is the key to what each step means for each medicine.