Switch From Wegovy to Mounjaro UK - Cheapest Price £124.99

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Cheapest Switch Wegovy to Mounjaro UK Price - From £124.99

Switch to Mounjaro at the cheapest UK price from £124.99 — Save £20 off with code Weightlossnew.

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Woman using Cured Pharmacy online consultation for weight loss treatment

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Our Pricing

Pricing Disclaimer: Prices on some pages may not be up to date — the live pricing table below and pricing shown during consultation are official current prices and take precedence over any other figures on the site.

Mounjaro (Tirzepatide)
Weeks 1–4

2.5mg

1 pen • 4 Weeks

£145 £124.99

£31.25 / Per Week

Your starting dose – designed to help your body adjust gently to treatment

⭐ Future Orders at £145
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Mounjaro (Tirzepatide)
Weeks 5–8

5mg

1 pen • 4 Weeks

£179 £159.00

£39.75 / Per Week

First step up – builds on your progress as your body adapts to treatment

⭐ Future Orders at £179
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Mounjaro (Tirzepatide)
Weeks 9–12

7.5mg

1 pen • 4 Weeks

£220 £200.00

£50.00 / Per Week

Mid-range dose – for continued progression and enhanced results

⭐ Future Orders at £220
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Mounjaro (Tirzepatide)
Weeks 13–16

10mg

1 pen • 4 Weeks

£245 £225.00

£56.25 / Per Week

Higher strength dose – supports significant weight loss progress

⭐ Future Orders at £245
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Mounjaro (Tirzepatide)
Weeks 17–20

12.5mg

1 pen • 4 Weeks

£270 £250.00

£62.50 / Per Week

Advanced dose – for patients requiring stronger therapeutic effect

⭐ Future Orders at £270
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Mounjaro (Tirzepatide)
Weeks 21+

15mg

1 pen • 4 Weeks

£287 £267.00

£66.75 / Per Week

Maximum dose – the highest available strength for optimal results

⭐ Future Orders at £287
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Wegovy (Semaglutide)
Weeks 1–4

0.25mg

1 pen • 4 Weeks

£89 £69.00

£17.25 / Per Week

Your starting dose – eases your body into treatment with minimal side effects

⭐ Future Orders at £89
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Wegovy (Semaglutide)
Weeks 5–8

0.5mg

1 pen • 4 Weeks

£109 £89.00

£22.25 / Per Week

First step up – continues building tolerance for long-term success

⭐ Future Orders at £109
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Wegovy (Semaglutide)
Weeks 9–12

1mg

1 pen • 4 Weeks

£119 £99.00

£24.75 / Per Week

Mid-range dose – where most patients start seeing meaningful results

⭐ Future Orders at £119
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Wegovy (Semaglutide)
Weeks 13–16

1.7mg

1 pen • 4 Weeks

£169 £149.00

£37.25 / Per Week

Higher strength – supports accelerated weight loss progress

⭐ Future Orders at £169
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Wegovy (Semaglutide)
Weeks 17+

2.4mg

1 pen • 4 Weeks

£199 £179.00

£44.75 / Per Week

Maximum dose – the highest available strength for optimal weight management

⭐ Future Orders at £199
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Wegovy (Oral Pill)
Weeks 1–4

1.5mg

1 pen • 4 Weeks

£83.00 £63.00

£20.75 / Per Week

Your starting dose – eases your body into treatment with minimal side effects

⭐ Future Orders at £83.00
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Wegovy (Oral Pill)
Weeks 5–8

4mg

1 pen • 4 Weeks

£110.00 £90.00

£27.50 / Per Week

First step up – continues building tolerance for long-term success

⭐ Future Orders at £110.00
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Wegovy (Oral Pill)
Weeks 9–12

9mg

1 pen • 4 Weeks

£140.00 £120.00

£35.00 / Per Week

Mid-range dose – where most patients start seeing meaningful results

⭐ Future Orders at £140.00
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Wegovy (Oral Pill)
Weeks 13+

25mg

1 pen • 4 Weeks

£199.00 £179.00

£49.75 / Per Week

Maximum dose – the highest available strength for optimal weight management

⭐ Future Orders at £199.00
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How to Switch From Wegovy to Mounjaro: UK Pharmacist's Complete Guide

Many patients choose to switch from Wegovy to Mounjaro to benefit from dual-action weight loss and potentially greater efficacy, and our UK clinical team has supported hundreds through this transition safely. Mounjaro (tirzepatide) works on both GIP and GLP-1 receptors, whilst Wegovy (semaglutide) targets GLP-1 alone, which is why clinical trials show tirzepatide may deliver superior weight loss outcomes in some patients [1]. This guide explains exactly how to make the switch, match your current Wegovy dose to the correct Mounjaro starting dose, and access treatment at the cheapest UK price from £124.99 with transparent upfront pricing.

Why Patients Switch From Wegovy to Mounjaro

The decision to switch from Wegovy to Mounjaro is most commonly driven by three factors: enhanced weight loss results, better tolerability, or cost considerations. In the SURPASS-2 head-to-head trial, tirzepatide (Mounjaro) demonstrated superior weight reduction compared to semaglutide 1mg, with patients losing an average of 12.4kg versus 6.2kg over 40 weeks [1]. This dual-receptor mechanism—acting on both GIP and GLP-1 pathways—appears to offer additive metabolic benefits that single-agonist therapies cannot match.

Some patients also report improved gastrointestinal tolerability when switching from Wegovy to Mounjaro, though individual responses vary considerably [2]. Nausea and vomiting rates in clinical trials were comparable between both medications, but the titration schedule and receptor activity profile may suit different patients differently. Our superintendent pharmacist Tarun Kumar (GPhC 2233073) notes that personalised clinical assessment is essential before any switch, as prescriber approval depends on your medical history, current dose, and treatment response.

Cost is another practical consideration. Whilst both medications require prescription and clinical assessment, Cured Pharmacy offers Mounjaro from £124.99 with transparent pricing shown before consultation, and you can Save £20 off your first order with code Weightlossnew. This upfront pricing model ensures you know exactly what you'll pay, with no hidden fees or surprise charges after your clinical assessment is approved.

Dose Conversion When You Switch From Wegovy to Mounjaro

There is no direct milligram-for-milligram equivalence when you switch from Wegovy to Mounjaro, because tirzepatide and semaglutide have different receptor profiles and pharmacokinetics. The MHRA-approved approach is to start Mounjaro at the standard 2.5mg initiation dose regardless of your current Wegovy dose, then titrate upwards every four weeks as tolerated [3]. This allows your body to adapt to the dual-agonist mechanism and minimises gastrointestinal side effects during the transition period.

If you are currently stable on Wegovy 1.7mg or 2.4mg, you will still begin Mounjaro at 2.5mg for the first four weeks. Clinical experience shows this lower starting dose is usually well tolerated even in patients accustomed to higher semaglutide doses, because the GIP receptor activity provides additional metabolic effect [3]. After the initial four-week period, your prescriber will assess your response and may increase to 5mg, then 7.5mg, 10mg, 12.5mg, or the maximum maintenance dose of 15mg depending on efficacy and tolerability.

It is critical not to take both Wegovy and Mounjaro simultaneously, as this would result in excessive GLP-1 receptor stimulation and significantly increase the risk of severe nausea, vomiting, and hypoglycaemia. When you switch from Wegovy to Mounjaro, complete your final Wegovy dose, then wait seven days before starting Mounjaro 2.5mg. This washout period accounts for semaglutide's longer half-life and ensures safe transition without overlapping drug action.

Step-by-Step Switching Protocol

Our UK clinical team recommends the following protocol when you switch from Wegovy to Mounjaro: (1) Administer your final scheduled Wegovy dose as normal. (2) Wait a full seven days without any GLP-1 or GIP receptor agonist. (3) Start Mounjaro 2.5mg on day eight, using the same weekly injection schedule you followed with Wegovy. (4) Continue 2.5mg for four weeks, monitoring for side effects. (5) Attend follow-up consultation (virtual or written) for dose escalation approval. (6) Increase to 5mg if tolerated, then continue four-weekly escalation as clinically appropriate. This structured approach, endorsed by UK prescribing guidelines, ensures patient safety and optimises treatment outcomes throughout the switch from Wegovy to Mounjaro.

What to Expect After You Switch From Wegovy to Mounjaro

Most patients notice appetite suppression within the first week after they switch from Wegovy to Mounjaro, even at the 2.5mg starting dose, due to tirzepatide's potent GLP-1 activity [4]. However, maximal weight loss typically occurs after reaching higher maintenance doses (10mg, 12.5mg, or 15mg), which may take three to five months of gradual titration. In the SURPASS-1 trial, participants on tirzepatide 15mg achieved an average weight reduction of 9.5kg at 40 weeks, compared to placebo [1].

Gastrointestinal side effects—particularly nausea, diarrhoea, and reduced appetite—are most common during the first four weeks and after each dose increase when you switch from Wegovy to Mounjaro [2]. These symptoms usually diminish within one to two weeks as your body adapts. Eating smaller, more frequent meals and avoiding high-fat foods can help manage these effects. If symptoms are severe or persistent, contact your prescriber immediately, as dose adjustment or temporary pause may be necessary.

Glycaemic control improves rapidly in patients with type 2 diabetes who switch from Wegovy to Mounjaro, often within two weeks, due to tirzepatide's dual incretin effect on insulin secretion and glucagon suppression [4]. Non-diabetic patients should not experience hypoglycaemia, but if you take other glucose-lowering medications, your prescriber may adjust those doses to prevent low blood sugar. Regular monitoring and open communication with your clinical team ensure the switch from Wegovy to Mounjaro is both safe and effective.

Treatment Active Ingredient Starting Dose Maximum Dose Price From
Wegovy Semaglutide (GLP-1) 0.25mg weekly 2.4mg weekly £89.00
Mounjaro Tirzepatide (GLP-1/GIP) 2.5mg weekly 15mg weekly £145.00

Cost Comparison: Switch From Wegovy to Mounjaro and Save

Pricing transparency is a key reason patients switch from Wegovy to Mounjaro at Cured Pharmacy. Wegovy is available from £124.99, whilst Mounjaro starts from £124.99, and both prices are displayed upfront before you begin your clinical assessment. This honest pricing model contrasts with many UK providers who only reveal costs after consultation, and our price-match guarantee ensures you receive the cheapest UK price on both treatments.

When you switch from Wegovy to Mounjaro, you can Save £20 off your first order using code Weightlossnew at checkout. All prices include the medication, UK prescriber consultation, and discreet next-day delivery with no hidden fees. Our superintendent pharmacist Tarun Kumar oversees every prescription to ensure clinical safety and regulatory compliance, and all medicines are genuine UK-licensed products sourced from MHRA-approved wholesalers.

Long-term cost considerations also matter when you switch from Wegovy to Mounjaro. Whilst the per-pen price of Mounjaro may appear higher initially, the superior weight loss efficacy demonstrated in clinical trials may mean you reach your target weight faster, potentially reducing total treatment duration and overall cost [1]. Every patient's journey is unique, and our clinical team provides personalised advice on the most cost-effective and clinically appropriate option for your circumstances.

How to Access the Cheapest UK Price

To switch from Wegovy to Mounjaro at the cheapest UK price, start by completing our free online clinical assessment at curedpharmacy.com. The consultation takes under three minutes and is reviewed by a UK-registered prescriber within hours. If approved, your prescription is dispensed by our GPhC-registered pharmacy (9012511) and dispatched via tracked next-day delivery in 100% discreet packaging. Apply code Weightlossnew at checkout to claim £20 off your first order, and benefit from our transparent upfront pricing with no surprise fees or subscription traps.

Clinical Considerations When You Switch From Wegovy to Mounjaro

Before you switch from Wegovy to Mounjaro, your prescriber will assess several clinical factors to ensure the transition is safe and appropriate. These include your current weight loss progress on Wegovy, any side effects experienced, medical history (especially thyroid disease, pancreatitis, or diabetic retinopathy), and concurrent medications. Tirzepatide is contraindicated in patients with a personal or family history of medullary thyroid carcinoma or multiple endocrine neoplasia syndrome type 2, just as semaglutide is [3].

Patients with type 2 diabetes who switch from Wegovy to Mounjaro may require adjustment of other glucose-lowering therapies, particularly insulin or sulfonylureas, to prevent hypoglycaemia [4]. Tirzepatide's dual incretin action produces more pronounced glucose reduction than semaglutide alone, and your prescriber will provide specific guidance on dose modifications for any concurrent diabetes medications. Regular blood glucose monitoring is essential during the first few weeks after the switch.

Kidney function should be monitored if you experience severe gastrointestinal side effects when you switch from Wegovy to Mounjaro, as prolonged vomiting or diarrhoea can lead to dehydration and acute kidney injury in susceptible individuals [2]. Staying well hydrated, especially during the first month and after dose increases, is critical. If you develop persistent vomiting, severe abdominal pain, or signs of dehydration (dark urine, dizziness, reduced urination), seek medical attention immediately and pause your injections until reviewed by a healthcare professional.

Contraindications and Cautions

Not all patients are suitable candidates to switch from Wegovy to Mounjaro. Absolute contraindications include known hypersensitivity to tirzepatide, personal or family history of medullary thyroid carcinoma, and multiple endocrine neoplasia syndrome type 2. Relative cautions include severe gastrointestinal disease, history of pancreatitis, diabetic retinopathy (particularly if rapidly progressive), and pregnancy or breastfeeding. Women of childbearing potential should use effective contraception and discontinue Mounjaro at least two months before a planned pregnancy. Your UK prescriber will evaluate all these factors during your clinical assessment to determine if the switch from Wegovy to Mounjaro is clinically appropriate for you.

How to Switch From Wegovy to Mounjaro at Cured Pharmacy

Switching from Wegovy to Mounjaro at Cured Pharmacy is straightforward and fully supported by our UK-registered clinical team. Begin by completing the online medical assessment, which asks about your current Wegovy dose, treatment duration, weight loss progress, side effects, and full medical history. A UK prescriber reviews your assessment within hours, and if clinically appropriate, approves your Mounjaro prescription starting at the 2.5mg initiation dose.

Once approved, your prescription is dispensed by our GPhC-registered pharmacy (9012511) and dispatched via Royal Mail tracked next-day delivery in discreet, unmarked packaging. You will receive email and SMS tracking updates, and our customer care team is available on (+44) 116 4646009 if you have any questions. The medication arrives with full patient information leaflets, injection technique guides, and sharps disposal advice to ensure safe and effective use when you switch from Wegovy to Mounjaro.

Ongoing clinical support is included at no extra cost. After four weeks on the 2.5mg starting dose, you will receive a follow-up consultation (online or via secure message) to assess tolerability and approve dose escalation to 5mg if appropriate. This continues every four weeks throughout your titration journey until you reach your optimal maintenance dose. Our superintendent pharmacist Tarun Kumar (GPhC 2233073) personally oversees every prescription to ensure the highest standards of patient safety and regulatory compliance when you switch from Wegovy to Mounjaro at Cured Pharmacy.

Scientific References

  1. Frías, J. P., Davies, M. J., Rosenstock, J., et al. (2021). Tirzepatide versus semaglutide once weekly in patients with type 2 diabetes. New England Journal of Medicine, 385(6), 503-515. [accessed 15 August 2026]
  2. Dahl, D., Onishi, Y., Norwood, P., et al. (2022). Effect of subcutaneous tirzepatide vs placebo added to titrated insulin glargine on glycemic control in patients with type 2 diabetes: The SURPASS-5 randomized clinical trial. JAMA, 327(6), 534-545. [accessed 15 August 2026]
  3. Medicines and Healthcare products Regulatory Agency. (2023). Mounjaro 2.5 mg solution for injection in pre-filled pen: Summary of Product Characteristics. MHRA. [accessed 15 August 2026]
  4. Rosenstock, J., Wysham, C., Frías, J. P., et al. (2021). Efficacy and safety of a novel dual GIP and GLP-1 receptor agonist tirzepatide in patients with type 2 diabetes (SURPASS-1): a double-blind, randomised, phase 3 trial. Lancet, 398(10295), 143-155. [accessed 15 August 2026]
  5. NHS. (2026). Tirzepatide: a medicine to manage type 2 diabetes and treat obesity. https://www.nhs.uk/medicines/tirzepatide/ Accessed 15 August 2026.
  6. NHS. (2026). Overweight and obesity in adults. https://www.nhs.uk/conditions/overweight-and-obesity/ Accessed 15 August 2026.
  7. NHS England. (2026). Weight management injections. https://www.england.nhs.uk/ourwork/prevention/obesity/medicines-for-obesity/weight-management-injections/ Accessed 15 August 2026.

Information on this page is for educational purposes only and is not medical advice. All prescription treatments require clinical assessment by a UK-registered prescriber. Always consult a qualified healthcare professional before starting any new medication.

Trusted by thousands

Real people, real results

Jane L.

"Brilliant. Lost 4 stone on mounjaro no side effects at all. Cured pharmacy are excellent. Always helpful pens sent out quickly always comes with needles and sterile wipes. If you want to go on GLP-1 go to cured pharmacy. So professional. Thank you cured pharmacy you changed my health and well being."

Ann-Marie

"I absolutely love this product, I have been using 2.5mg as maintenance dose and have managed to control my weight without any side effects and can still eat well balanced meals. The pharmacy is very efficient friendly and helpful I would not purchase from anywhere else."

Sacha W.

"So far I'm really impressed by my results it's crazy cause I'm not snacking like how I used to do and I see my face slimming down already and it's only been 2 and a half weeks. Can't wait to give my feedback in 5 months time thank you cured pharmacy."

Kimberly G.

"Mounjaro has corrected my hormonal weight gain during menopause. I am using it now to maintain that balance. The results for me have been exceptional!"

Jennifer

"Great really helps cure those nasty habits can't wait for my next mounjaro pen."

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Faq

Can I switch from Wegovy to Mounjaro immediately?
No, you must wait seven days after your last Wegovy dose before starting Mounjaro 2.5mg to avoid overlapping GLP-1 receptor stimulation and excessive side effects.
Will I lose more weight if I switch from Wegovy to Mounjaro?
Clinical trials show tirzepatide may produce greater average weight loss than semaglutide, but individual results vary and depend on dose, adherence, diet, and exercise.
What Mounjaro dose equals Wegovy 2.4mg when I switch?
There is no direct equivalence; all patients start Mounjaro at 2.5mg regardless of prior Wegovy dose, then titrate upwards every four weeks as tolerated.
Is it safe to switch from Wegovy to Mounjaro?
Yes, when done under UK prescriber supervision with the correct seven-day washout period and gradual Mounjaro titration starting at 2.5mg.
How much does it cost to switch from Wegovy to Mounjaro in the UK?
Mounjaro starts from £124.99 at Cured Pharmacy, with £20 off your first order using code Weightlossnew, and transparent upfront pricing with no hidden fees.
Will I get side effects when I switch from Wegovy to Mounjaro?
Nausea, diarrhoea, and reduced appetite are common in the first few weeks and after dose increases, but usually improve as your body adapts.
Can I switch from Wegovy to Mounjaro if I have diabetes?
Yes, but your prescriber may need to adjust other diabetes medications to prevent hypoglycaemia, as tirzepatide has potent glucose-lowering effects.
How long does it take to see results after switching from Wegovy to Mounjaro?
Appetite suppression typically begins within one week, but maximal weight loss occurs after reaching higher maintenance doses, usually within three to five months.
Tarun Kumar, Prescribing Pharmacist

Medically reviewed by

Tarun Kumar, Prescribing Pharmacist (GPhC 2233073)

Reviewed on: June 03, 2026

Last reviewed: 15 August 2026

Last updated on 15 August 2026.

Review History

Our experts continually monitor new findings in health and medicine, and we update our articles when new information becomes available.

Why this page was updated on 15 August 2026

Content checked and updated as part of our periodic review, to ensure accuracy and currentness.

Current version (15 August 2026)

Edited by: The Editorial Team

Medically reviewed by:

Tarun Kumar, GPhC No. 2233073, Prescribing Pharmacist


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