Asda Mounjaro prices in 2026 start at £148.97 for a 4-week starter dose (2.5mg) through the Asda Online Doctor service, with costs increasing up to £298.97 for the highest maintenance dose (15mg). For patients accessing the medication via an NHS prescription at Asda Pharmacy, the cost is the standard prescription charge of £9.90 per item in England, while it remains free for patients in Scotland, Wales, and Northern Ireland. The private pricing at Asda is tiered by dosage strength, reflecting the “step-up” treatment plan where the concentration of the active ingredient, tirzepatide, increases every four weeks to maximize weight loss results.
Private vs. NHS Costs at Asda
Understanding the difference between Asda Pharmacy and Asda Online Doctor is crucial for managing your budget. While they operate under the same brand, the pricing mechanisms are entirely different based on your prescription type.
NHS Prescription Costs
If you have been prescribed Mounjaro by a GP or an NHS weight management specialist, you can have the prescription dispensed at any Asda Pharmacy counter. In England, you will pay the flat NHS fee of £9.90 (frozen for the 2026/27 period). If you have a medical exemption certificate or live in Scotland/Wales, the medication is provided at no cost.
Private Online Doctor Costs
Most patients in the UK currently access Mounjaro privately through the Asda Online Doctor service. This price (starting at £148.97) is all-inclusive, covering the online consultation, the private prescription itself, the KwikPen device, and free home delivery or in-store collection.
How Mounjaro Works for Weight Loss
Mounjaro contains tirzepatide, a dual-action medication that mimics two naturally occurring hormones in the body: GLP-1 (glucagon-like peptide-1) and GIP (glucose-dependent insulinotropic polypeptide). This dual-receptor approach is what differentiates it from Wegovy (which only targets GLP-1).
By targeting these receptors, Mounjaro slows down the rate at which your stomach empties and sends signals to your brain that you are full. This results in a significant reduction in calorie intake without the intense “food noise” or hunger pangs typically associated with traditional dieting. Clinical trials have shown that patients can lose an average of 22.5% of their body weight over 72 weeks when combined with diet and exercise.
Practical Information and Planning
Navigating the logistics of a weekly injection requires a bit of planning, especially regarding storage and the consultation process.
Eligibility: You must have a BMI of 30+ (or 27+ with a weight-related health condition) to be approved for Mounjaro at Asda.
Storage: Unused Mounjaro pens must be stored in a refrigerator (2°C–8°C). Once in use, the pen can be kept at room temperature (up to 30°C) for up to 30 days.
Consultation Process: You will need to complete an online questionnaire and upload photos (typically of your body and your ID) for verification.
Collection Options: You can choose free discreet home delivery or “Same-Day Collection” from an Asda Pharmacy if your order is approved before 1pm.
What’s in the Box: Each 4-week KwikPen comes with 4 needles. Asda also provides a weight loss support pack and free medical check-ins.
The “5th Dose” Controversy
A common topic in Mounjaro reviews and forums is the “5th dose”—the small amount of liquid left in the KwikPen after the four official doses are used. While some patients attempt to extract this to save money, Asda Online Doctor officially advises against this.
The manufacturer, Eli Lilly, includes extra liquid to ensure the pen can be primed (clearing air bubbles) before each of the four 0.6ml doses. Using a “5th dose” can lead to inaccurate dosing, increased side effects, or potential contamination if the pen is used beyond its intended 28-day lifespan.
FAQs
How much does Mounjaro cost at Asda per month?
The cost varies by dose: it starts at £148.97 for the 2.5mg starter dose and rises to £298.97 for the 15mg maintenance dose.
Can I get Mounjaro on the NHS at Asda?
Yes, but only if you have an NHS prescription from your GP. You will pay the standard £9.90 fee if you live in England, or nothing in Scotland and Wales.
Are needles included in the Asda price?
Yes, Asda Online Doctor includes the necessary needles for your 4-week supply at no extra cost.
How long does a Mounjaro pen last?
Each KwikPen contains four doses, intended to last exactly 28 days (one injection per week).
Is Asda cheaper than Boots for Mounjaro?
Typically, yes. As of 2026, Asda’s starter price is approximately £30 cheaper than the standard Boots price for the 2.5mg pen.
Do I need to see a doctor in person at Asda?
No, the Asda Online Doctor service is entirely remote. You fill out a medical questionnaire which is then reviewed by a UK-registered clinician.
What is the “Mounjaro Golden Dose”?
This is another name for the 5th dose left in the pen. Clinicians advise against using it as the volume and concentration cannot be guaranteed.
Can I switch from Wegovy to Mounjaro at Asda?
Yes, but you will usually need a “washout period” or a specific consultation to ensure the transition is safe, as the medications are different.
Does Asda offer a discount for the first month?
Asda frequently runs promotions, such as £30 off your first month, bringing the starter price down temporarily. Check their website for current codes.
How do I prove my BMI to Asda?
During the online consultation, you will be asked for your height and weight. You may also be required to upload a full-length photo or a photo of your scales for verification.
What if I miss a dose of Mounjaro?
If you miss a dose, you can take it within 4 days (96 hours) of the scheduled time. If more than 4 days have passed, skip the dose and wait for your next scheduled day.
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