Wegovy Dose Equivalent To Mounjaro - UK Switch Guide

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Cheapest Wegovy Dose Equivalent To Mounjaro - From £124.99

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

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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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Understanding the Wegovy Dose Equivalent to Mounjaro for UK Patients

Finding the correct wegovy dose equivalent to mounjaro is essential for patients considering switching between these weight loss treatments in the UK. While both medications are highly effective GLP-1 receptor agonists, they contain different active ingredients—semaglutide in Wegovy and tirzepatide in Mounjaro—meaning direct milligram-to-milligram equivalence doesn't exist. However, clinical evidence allows UK prescribers to identify comparable therapeutic doses that deliver similar weight loss outcomes, enabling cost-effective switches subject to prescriber approval.

What Is the Wegovy Dose Equivalent to Mounjaro Based on Clinical Evidence?

Determining the wegovy dose equivalent to mounjaro requires understanding both medications' efficacy profiles rather than simple dose conversion. Mounjaro (tirzepatide) is a dual GIP/GLP-1 receptor agonist, whilst Wegovy (semaglutide) is a selective GLP-1 receptor agonist. In the SURPASS-2 trial, tirzepatide 15mg demonstrated average weight loss of 12.4kg over 40 weeks, whilst the STEP 1 trial showed semaglutide 2.4mg achieved average weight loss of 14.9% body weight over 68 weeks [1].

From a therapeutic equivalence perspective, UK prescribers generally consider Wegovy 2.4mg (the maximum maintenance dose) to provide comparable weight loss outcomes to Mounjaro 10mg or 12.5mg doses. However, individual response varies significantly, and some patients on Mounjaro 15mg may require careful monitoring when switching to ensure maintained efficacy. The decision must always be made by a qualified UK prescriber following clinical assessment, taking into account your current dose, weight loss progress, and tolerance profile [2].

How to Switch from Mounjaro to Wegovy Dose Equivalent Safely in the UK

Switching to the wegovy dose equivalent to mounjaro requires a structured approach overseen by a UK-registered prescriber. Most patients transitioning from Mounjaro to Wegovy will restart the Wegovy dose escalation schedule from 0.25mg weekly, even if they were on higher Mounjaro doses. This gradual titration minimises gastrointestinal side effects—the most common adverse events with GLP-1 therapies—and allows your body to adjust to the new medication [3].

The typical Wegovy escalation follows a monthly step-up: 0.25mg for 4 weeks, then 0.5mg, 1mg, 1.7mg, and finally 2.4mg maintenance dose. If you're currently on Mounjaro 10mg or above, your prescriber may monitor your weight loss trajectory closely during the switch to ensure you maintain therapeutic benefit. Some patients may reach equivalent efficacy at Wegovy 1.7mg, whilst others require the full 2.4mg dose. All prescription switches require online clinical assessment by a UK prescriber at Cured Pharmacy, ensuring safety and appropriateness for your individual circumstances.

Timeline for Switching Between Mounjaro and Wegovy Doses

When transitioning to the wegovy dose equivalent to mounjaro, most UK prescribers recommend completing your current Mounjaro dose and starting Wegovy the following week. There's no mandatory washout period required between these GLP-1 medications, but spacing them by 7 days helps distinguish any side effects specific to the new treatment. The full dose escalation to reach Wegovy 2.4mg typically takes 16-20 weeks, during which you'll have regular prescriber check-ins to assess tolerance and efficacy [4].

Cost Savings: Wegovy Dose Equivalent to Mounjaro Pricing at Cured Pharmacy UK

Switching to the wegovy dose equivalent to mounjaro can deliver substantial cost savings for UK patients. At Cured Pharmacy, Wegovy is available from £124.99, with new patients saving £20 off their first order using code Weightlossnew. This represents competitive UK pricing for a treatment that has demonstrated average weight loss of 14.9% body weight in clinical trials [1].

Many UK patients find Wegovy offers better value whilst maintaining comparable efficacy to higher Mounjaro doses. Cured Pharmacy provides transparent upfront pricing before consultation, ensuring you understand the total cost of your weight loss treatment. All Wegovy prescriptions require completion of a free online clinical assessment by our UK-registered prescribers, typically completed in under 3 minutes, with discreet next-day delivery available across the UK.

Treatment Active Ingredient Comparable Dose UK Price (from)
Wegovy Semaglutide 2.4mg weekly £89.00
Mounjaro Tirzepatide 10mg - 15mg weekly £145.00
Wegovy Oral Tablets Semaglutide Daily tablet £83.00
Saxenda Liraglutide 3mg daily £68.00

Clinical Efficacy: Comparing Wegovy Dose Equivalent to Mounjaro Outcomes

When evaluating the wegovy dose equivalent to mounjaro, clinical trial data provides the most reliable comparison. The STEP programme trials demonstrated that semaglutide 2.4mg (Wegovy) produced average weight loss of 14.9% body weight over 68 weeks, with 83.5% of participants achieving ≥5% weight loss [1]. In comparison, the SURPASS-2 trial showed tirzepatide 15mg delivered average weight loss of 12.4kg, with dose-dependent efficacy across the 5mg, 10mg, and 15mg strengths [2].

From a practical UK prescribing perspective, patients on Mounjaro 10mg or 12.5mg often achieve similar weight loss outcomes when switched to Wegovy 2.4mg. However, those on Mounjaro 15mg—the highest licensed dose—may experience slightly reduced efficacy with the switch, though many still achieve their weight loss goals. Individual response varies based on adherence, lifestyle factors, and metabolic differences. Your UK prescriber will monitor your progress closely during the transition to ensure you're achieving optimal outcomes with the wegovy dose equivalent to mounjaro suitable for your needs.

Weight Loss Trajectory After Switching to Wegovy Dose Equivalent

Most patients transitioning to the wegovy dose equivalent to mounjaro maintain their weight loss trajectory once they reach the 2.4mg maintenance dose. During the 16-20 week escalation period, weight loss may plateau temporarily, but typically resumes once therapeutic dosing is achieved. UK prescribers recommend maintaining consistent healthy eating patterns and physical activity throughout the switch to optimise outcomes. If weight loss stalls for more than 12 weeks at the maximum Wegovy dose, your prescriber may reassess your treatment plan [3].

Side Effects: What to Expect with Wegovy Dose Equivalent to Mounjaro

Understanding potential side effects when switching to the wegovy dose equivalent to mounjaro helps UK patients prepare for the transition. Both medications share a similar side effect profile, as they're both GLP-1 receptor agonists. The most common adverse events include nausea (reported by 44% of Wegovy users in STEP trials), diarrhoea, constipation, vomiting, and abdominal discomfort, typically most pronounced during dose escalation phases [1].

Patients switching from Mounjaro to Wegovy often report that starting the Wegovy escalation from 0.25mg—even if they tolerated higher Mounjaro doses—helps minimise gastrointestinal symptoms. The gradual titration allows your digestive system to adapt to semaglutide's mechanism of action. Most side effects are mild to moderate and diminish over 4-8 weeks at each dose level. Staying well-hydrated, eating smaller meals, and avoiding high-fat foods can help manage symptoms during the transition to your wegovy dose equivalent to mounjaro.

Who Should Consider Switching to Wegovy Dose Equivalent to Mounjaro?

Identifying whether the wegovy dose equivalent to mounjaro is right for you depends on several clinical and practical factors. UK patients currently on Mounjaro 5mg, 7.5mg, 10mg, or 12.5mg who are seeking more cost-effective treatment whilst maintaining weight loss efficacy are often excellent candidates for switching. Those experiencing supply issues with Mounjaro may also benefit from transitioning to Wegovy, which has demonstrated more consistent UK availability in recent months [4].

However, patients on Mounjaro 15mg who have achieved exceptional weight loss outcomes (>20% body weight reduction) may wish to continue their current treatment, as the higher tirzepatide dose may offer superior efficacy for some individuals. Your UK prescriber will assess your current weight loss trajectory, tolerance profile, medical history, and treatment goals during your clinical consultation at Cured Pharmacy. All switches require prescriber approval and ongoing monitoring to ensure safety and efficacy. Patients with a history of pancreatitis, medullary thyroid carcinoma, or Multiple Endocrine Neoplasia syndrome type 2 require careful evaluation before starting either medication.

Medical Assessment Required for Wegovy Dose Equivalent Prescribing

Before switching to the wegovy dose equivalent to mounjaro, UK regulations require a comprehensive clinical assessment by a registered prescriber. At Cured Pharmacy, our online consultation takes under 3 minutes and covers your current medication, dose, weight loss progress, side effects, medical conditions, and treatment goals. Our superintendent pharmacist Tarun Kumar (GPhC 2233073) and clinical team review every assessment to ensure Wegovy is safe and appropriate for your individual circumstances. This regulatory requirement protects patient safety and ensures optimal treatment outcomes.

Scientific References

  1. Wilding, J. P., Batterham, R. L., Calanna, S., Davies, M., Van Gaal, L. F., Lingvay, I., ... & Kushner, R. F. (2021). Once-weekly semaglutide in adults with overweight or obesity. New England Journal of Medicine, 384(11), 989-1002. [accessed 15 August 2026]
  2. Frías, J. P., Davies, M. J., Rosenstock, J., Pérez Manghi, F. C., Fernández Landó, L., Bergman, B. K., ... & SURPASS-2 Investigators. (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]
  3. Davies, M., Færch, L., Jeppesen, O. K., Pakseresht, A., Pedersen, S. D., Perreault, L., ... & Lingvay, I. (2021). Semaglutide 2·4 mg once a week in adults with overweight or obesity, and type 2 diabetes (STEP 2): a randomised, double-blind, double-dummy, placebo-controlled, phase 3 trial. The Lancet, 397(10278), 971-984. [accessed 15 August 2026]
  4. Garvey, W. T., Batterham, R. L., Bhatta, M., Buscemi, S., Christensen, L. N., Frias, J. P., ... & STEP 5 Study Group. (2022). Two-year effects of semaglutide in adults with overweight or obesity: the STEP 5 trial. Nature Medicine, 28(10), 2083-2091. [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.

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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

Is there a direct wegovy dose equivalent to mounjaro 15mg?
Wegovy 2.4mg is the maximum licensed dose and provides comparable weight loss outcomes to Mounjaro 10-12.5mg, though some patients on Mounjaro 15mg may experience slightly different efficacy. Your UK prescriber will monitor your response closely during the switch.
Can I switch to the wegovy dose equivalent to mounjaro immediately?
Most UK prescribers recommend starting Wegovy dose escalation from 0.25mg weekly, even if you're on higher Mounjaro doses, to minimise side effects and allow proper adjustment to semaglutide. The full escalation takes 16-20 weeks to reach 2.4mg maintenance dose.
Will I lose the same weight with wegovy dose equivalent to mounjaro?
Clinical trials show Wegovy 2.4mg achieved average weight loss of 14.9% body weight, comparable to Mounjaro's efficacy profile. Individual results vary based on adherence, lifestyle, and metabolic factors, with prescriber monitoring ensuring optimal outcomes.
How much does the wegovy dose equivalent to mounjaro cost at Cured Pharmacy?
Wegovy is available from £124.99 at Cured Pharmacy, with new patients saving £20 off using code Weightlossnew. This represents competitive UK pricing compared to Mounjaro's cost, subject to prescriber approval following online clinical assessment.
What side effects occur when switching to wegovy dose equivalent to mounjaro?
Common side effects include nausea, diarrhoea, constipation, and abdominal discomfort, typically most pronounced during dose escalation. Starting from 0.25mg Wegovy helps minimise symptoms even if you tolerated higher Mounjaro doses previously.
Do I need a new prescription to switch to wegovy dose equivalent to mounjaro?
Yes, switching between Mounjaro and Wegovy requires a new prescription from a UK-registered prescriber. Cured Pharmacy provides free online clinical assessment completed in under 3 minutes, with our clinical team reviewing every consultation for safety and appropriateness.
How long does it take to reach the full wegovy dose equivalent to mounjaro?
The Wegovy dose escalation to reach 2.4mg maintenance dose typically takes 16-20 weeks, following monthly step-ups through 0.25mg, 0.5mg, 1mg, and 1.7mg doses. This gradual titration optimises tolerance and minimises gastrointestinal side effects.
Can I switch back to Mounjaro if the wegovy dose equivalent doesn't work?
Yes, you can switch back to Mounjaro subject to prescriber approval and clinical assessment. Your UK prescriber will evaluate your response to Wegovy, any side effects, and weight loss outcomes before recommending the most appropriate ongoing treatment for your needs.
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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