Your Mounjaro price guide · October 2026
Mechanism of GLP-1: How GLP-1 Medicines Work (October 2026)
The mechanism of GLP-1 medicines is to copy a natural gut hormone that helps regulate appetite, slows how quickly the stomach empties and improves the way the body responds to insulin.1 Most people feel fuller sooner and less hungry between meals. Mounjaro (tirzepatide) also activates the GIP receptor.
One pen. Four weekly doses.
New customers£40 off your first order with code FIRST40. Standard price £169.99.

From your first consultation to ongoing care.
- GPhC-registered UK pharmacy
- Prescriber assessment
- Temperature-controlled delivery
- Advice from our pharmacy team
GLP-1 mechanism at a glance
GLP-1 medicines act on the same receptors your gut hormones use after a meal, changing appetite signals, digestion speed and insulin response.
- Price includes prescriber assessment and standard delivery — no consultation fees
- Orders approved by 3pm for next-day tracked delivery
- GPhC-registered pharmacy 9012878
- Needles and sharps disposal included
Compare UK Mounjaro Prices
Prices checked 10 October 2026
| Provider | 2.5mg | 5mg | 7.5mg | 10mg | 12.5mg | 15mg | Notes |
|---|---|---|---|---|---|---|---|
| £129.99First orderReorders £144.99 | £178.99First orderReorders £193.99 | £239.99First orderReorders £254.99 | £250.99First orderReorders £265.99 | £279.99First orderReorders £294.99 | £289.99First orderReorders £304.99 | Consultation and next-day tracked delivery included | |
| Boots Online Doctor | £179.00 | £199.00 | £259.00 | £299.00 | £319.00 | £339.00 | Free click & collect; cold-chain home delivery chargeable |
| Asda Online Doctor | £148.97 | £188.97 | £248.97 | £278.97 | £287.47 | £298.97 | Refrigerated delivery from £4.50; free click & collect |
| MedExpress | £179.99 | £189.99 | £249.99 | £279.99 | £299.99 | £309.99 | Delivery £2.90 to £3.95; new-customer discount at checkout |
| Simple Online Pharmacy | £169.00 | £199.99 | £259.99 | £279.99 | £299.99 | £319.99 | Delivery £4.99 per order |
| Oxford Online Pharmacy | £143.96 | £188.96 | £248.96 | £278.96 | £288.96 | £309.95 | Free consultation; cold delivery £5.49 |
| Chemist4U | £148.00 | £188.00 | £248.00 | £278.00 | £288.00 | £298.00 | Consultation included; free temperature-controlled delivery |
| Chemist Click | £163.99 | £173.99 | £232.99 | £259.99 | £279.99 | £299.49 | Cold-chain delivery charged; £20 off with code |
| Click Pharmacy | £169.99 | £189.99 | £239.99 | £269.99 | £289.99 | £299.99 | Free assessment; delivery £3.50 to £7.95 |
| Medino | £147.99 | £169.99 | £249.99 | £269.99 | £299.99 | £319.99 | Consultation and delivery included |
Prices collected weekly from each provider's published price list.
A quick overview
What to know
before you start.
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GLP-1 is a natural gut hormone; GLP-1 medicines activate its receptors to help regulate appetite.
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They slow how quickly the stomach empties, so most people feel fuller sooner.
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They also improve the way the body responds to insulin.
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Tirzepatide (Mounjaro) activates both GIP and GLP-1 receptors, unlike semaglutide, which acts on GLP-1 alone.
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These medicines work alongside a reduced-calorie diet and more physical activity, not instead of them.
In this guide
01 · The core answer
What is the mechanism of GLP-1?
GLP-1 medicines activate receptors for a natural gut hormone. Together with GIP, these hormone signals help regulate appetite, slow how quickly the stomach empties, and improve the way the body responds to insulin.1 In practice, most people feel fuller sooner and less hungry between meals, which supports a reduced-calorie diet.1
For a deeper look at the receptor biology, see our guide to the GLP-1 agonist mechanism, or the specific weight loss mechanism.
02 · What to do next
Is this relevant to me?
It is if you are an adult considering treatment for weight management. These medicines are prescription-only and used alongside a reduced-calorie diet and increased physical activity. If you are ready to explore treatment, our weight loss clinic explains the options, and the Mounjaro pen page shows current prices and the free online consultation.
03 · Single versus dual action
Single versus dual action
Tirzepatide is the first treatment of its kind to activate two natural gut-hormone receptors at once: GIP and GLP-1.1 This dual action is what distinguishes Mounjaro from single-action GLP-1 medicines such as semaglutide (Wegovy/Ozempic).1
Our guide to the tirzepatide GIP and GLP-1 mechanism goes into the dual receptor detail. If you want to compare, the Wegovy pen is the semaglutide option.
04 · What it means in practice
What the mechanism means in practice
The mechanism shows up as less hunger and earlier fullness, which makes a calorie-controlled diet easier to follow. In the SURMOUNT-1 trial of 2,539 adults, people taking tirzepatide alongside diet and exercise lost on average 15% of their body weight on 5mg, 19.5% on 10mg and 20.9% on 15mg over 72 weeks, compared with 3.1% with lifestyle changes alone.2
These are trial averages — individual results vary, and treatment works alongside a reduced-calorie diet and increased physical activity, not instead of them.2
05 · Related mechanism topics
Related mechanism topics
Slower stomach emptying is part of why digestive effects can occur. A visual learner may prefer the mechanism animation guide. Newer tablet options are explained in how Foundayo works.
Tirzepatide stays in the body for a while after the last injection. It has a half-life of about five days, so after a final dose it takes roughly 4–5 weeks to clear the system — there is no way to speed this up, and nothing needs doing while it clears.1
How ordering works
How ordering works at EverydayMeds
Three steps, with our pharmacy team alongside you.
Step 1: Online consultation — 5–10 minutes
Complete a confidential health questionnaire covering BMI, medical history and current medication. No payment is taken until you're approved.
Step 2: Prescriber review — usually same day
A UK registered prescriber checks your suitability against the licensed criteria (BMI ≥30, or ≥27 with a weight-related condition) and contraindications, and confirms your starting dose.
Step 3: Next-day tracked delivery
Dispensed by our GPhC-registered pharmacy in temperature-controlled packaging with needles and a sharps bin included. Orders approved by 3pm for next-day tracked delivery.
Prescription and dispatch follow clinical approval. Confirm current delivery options when ordering.
Afterwards you're not on your own: dose-change reviews are built in before each step up, our pharmacist team is available for side-effect questions, and repeat orders re-check suitability rather than auto-shipping.
Your questions, answered
Mounjaro price UK — frequently asked questions
Answers to common questions about Mounjaro prices, NHS access and ongoing treatment.
Ask our pharmacy teamWhat are the main GLP-1 drugs?
How do GLP-1 medicines help people lose weight?
What is the downside to taking GLP-1?
Do I have to stay on GLP-1 forever?
What organ is Ozempic hard on?
What should I do before taking GLP-1?

Clinically reviewed by
Mahommed Zunaid Ayub Patel
Superintendent Pharmacist
Accountable for the safe running of our registered pharmacy — from dispensing checks to delivery.
GPhC registration no. 2217101 · check the GPhC register
- Reviewed
- Last updated
- Next review
How we source our information
How we source our information: every clinical statement on this page is drawn from the sources below. Our prices are shown live from our pharmacy's product listings, and competitor prices show the date they were collected.
EverydayMeds is operated by OVIO Ltd · GPhC-registered pharmacy 9012878 · Registered premises, Leicester · Superintendent Pharmacist: Mahommed Zunaid Ayub Patel


