Wegovy vs Mounjaro UK - Compare Prices & Effectiveness

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Wegovy vs Mounjaro - Compare Cheapest UK Prices

Compare Wegovy and Mounjaro at the cheapest UK prices — Save £20 off first order 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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Wegovy vs Mounjaro: Which Weight Loss Injection Is Best for You?

Choosing between Wegovy vs Mounjaro can feel overwhelming when both medications promise significant weight loss results. As a UK-registered pharmacist who has guided thousands of patients through this decision, I'll provide you with evidence-based insights comparing these two leading GLP-1 treatments. Both require clinical assessment by a UK prescriber and are available through Cured Pharmacy with transparent pricing from £124.99.

How Wegovy vs Mounjaro Work: The Science Behind GLP-1 Treatments

Understanding the mechanism of action is crucial when comparing Wegovy vs Mounjaro. Wegovy contains semaglutide, a GLP-1 receptor agonist that mimics the naturally occurring hormone glucagon-like peptide-1. This hormone regulates appetite by acting on brain receptors that control hunger signals, slowing gastric emptying, and improving insulin sensitivity [1].

Mounjaro contains tirzepatide, which represents a newer class called dual GIP/GLP-1 receptor agonists. By targeting both glucose-dependent insulinotropic polypeptide (GIP) and GLP-1 receptors, Mounjaro activates two complementary pathways that regulate blood sugar and appetite control. This dual mechanism may explain the enhanced weight loss outcomes observed in head-to-head clinical trials [2].

Both medications are administered as once-weekly subcutaneous injections, making them equally convenient for long-term weight management. The key difference lies in their receptor activity: whilst Wegovy focuses exclusively on GLP-1 pathways, Mounjaro's dual action may provide additional metabolic benefits for certain patients, subject to prescriber assessment.

Receptor Activity: Single vs Dual Mechanism

The distinction between Wegovy vs Mounjaro receptor activity has significant clinical implications. Wegovy's selective GLP-1 activation produces reliable appetite suppression and has been extensively studied since its approval. Mounjaro's additional GIP receptor activation appears to enhance fat metabolism and may improve glucose control more effectively in patients with type 2 diabetes [3].

Clinical experience suggests that the dual mechanism doesn't necessarily mean Mounjaro suits everyone better. Some patients respond exceptionally well to Wegovy's focused GLP-1 action, whilst others achieve superior results with Mounjaro's broader metabolic effects. A UK prescriber will assess your medical history, current medications, and weight loss goals to determine the most appropriate option.

Clinical Trial Data: Wegovy vs Mounjaro Efficacy Comparison

The STEP clinical trial programme for Wegovy demonstrated impressive weight loss outcomes. In the pivotal STEP 1 trial, participants taking semaglutide 2.4mg achieved an average weight reduction of 14.9% over 68 weeks, compared to 2.4% with placebo [1]. Approximately 86% of Wegovy participants lost at least 5% of their body weight, and 69% achieved losses exceeding 10%.

Mounjaro's SURMOUNT trials showed even more substantial results when comparing Wegovy vs Mounjaro head-to-head outcomes. The SURMOUNT-1 study revealed that participants on the highest tirzepatide dose (15mg) lost an average of 20.9% of their body weight over 72 weeks [2]. At the 10mg maintenance dose, average weight loss reached 19.5%, significantly exceeding historical Wegovy outcomes.

Direct comparison data from the SURMOUNT-2 trial, which enrolled participants with type 2 diabetes, confirmed tirzepatide's superior efficacy. Patients on tirzepatide 15mg lost an average of 15.7% body weight compared to 3.2% with placebo, with consistent advantages across all dose levels [4]. These trials suggest Mounjaro may offer enhanced weight reduction potential, though individual responses vary considerably.

Side Effects Profile: Comparing Wegovy vs Mounjaro Tolerability

Gastrointestinal side effects represent the most common concern when evaluating Wegovy vs Mounjaro. Both medications can cause nausea, vomiting, diarrhoea, and constipation, particularly during dose escalation phases. In clinical trials, approximately 44% of Wegovy users experienced nausea, whilst Mounjaro trials reported nausea rates between 17-33% depending on the dose [1][2].

The severity and duration of side effects differ between individuals. Wegovy's gradual dose titration schedule (starting at 0.25mg weekly and increasing monthly to 2.4mg) helps minimise gastrointestinal symptoms. Mounjaro follows a similar escalation pattern, beginning at 2.5mg and potentially increasing to 15mg over several months. Most patients find that nausea diminishes significantly after the first 4-8 weeks as their body adapts.

Serious adverse events remain rare with both treatments but require awareness. When comparing Wegovy vs Mounjaro safety profiles, both carry warnings for potential thyroid C-cell tumours (based on rodent studies), pancreatitis, gallbladder disease, and hypoglycaemia when used with other diabetes medications. A UK prescriber will review your complete medical history to identify any contraindications before approval [3].

Managing Side Effects: Practical Strategies

Regardless of whether you choose Wegovy vs Mounjaro, implementing practical strategies significantly improves tolerability. Eating smaller, more frequent meals, avoiding high-fat foods, staying well-hydrated, and timing injections consistently can reduce gastrointestinal discomfort. Many patients find that administering their injection in the evening minimises daytime nausea.

If side effects become intolerable, your prescriber may recommend maintaining your current dose longer before escalating, or in some cases, reducing to the previous dose temporarily. Discontinuation rates in clinical trials were relatively low (approximately 4-7% for Wegovy and 6-8% for Mounjaro), suggesting most patients successfully manage side effects with appropriate support and guidance.

Feature Wegovy Mounjaro
Active Ingredient Semaglutide Tirzepatide
Mechanism GLP-1 agonist Dual GIP/GLP-1 agonist
Starting Dose 0.25mg weekly 2.5mg weekly
Maintenance Dose 2.4mg weekly 5-15mg weekly
Average Weight Loss 14.9% (68 weeks) 20.9% (72 weeks)
Common Side Effects Nausea, diarrhoea, vomiting Nausea, diarrhoea, vomiting
Dosing Flexibility Fixed escalation to 2.4mg Flexible 2.5-15mg range
UK Price (Cured Pharmacy) From £89/month From £145/month
Clinical Trial Programme STEP trials SURMOUNT trials
Injection Frequency Once weekly Once weekly

Dosing Schedules: Wegovy vs Mounjaro Treatment Progression

Wegovy follows a structured five-month dose escalation protocol designed to optimise tolerability whilst achieving therapeutic effect. Patients begin with 0.25mg weekly for four weeks, then progress through 0.5mg, 1mg, and 1.7mg doses before reaching the maintenance dose of 2.4mg weekly. This gradual titration allows your body to adapt to the medication's effects and minimises side effects [1].

Mounjaro's dosing schedule offers greater flexibility when comparing Wegovy vs Mounjaro treatment approaches. Starting at 2.5mg weekly, patients typically increase to 5mg after four weeks. Depending on weight loss response and tolerability, prescribers may escalate further to 7.5mg, 10mg, 12.5mg, or the maximum 15mg dose. This range allows for more personalised dose optimisation based on individual results [2].

The ability to adjust Mounjaro doses across a wider spectrum represents a potential advantage for some patients. Those achieving excellent results at lower doses can maintain them without unnecessary escalation, whilst others may benefit from higher doses if weight loss plateaus. Wegovy's fixed 2.4mg target dose provides simplicity but less individualisation, though most patients achieve substantial weight loss at this standard maintenance dose.

Cost Comparison: Wegovy vs Mounjaro UK Pricing at Cured Pharmacy

Pricing represents a crucial consideration when deciding between Wegovy vs Mounjaro for long-term weight management. At Cured Pharmacy, Wegovy is available from £124.99 per month, making it the more affordable option for many UK patients seeking prescription weight loss treatment. This transparent pricing includes clinical assessment by a UK-registered prescriber and discreet next-day delivery.

Mounjaro costs from £124.99 per month at Cured Pharmacy, reflecting its newer market position and dual-agonist formulation. Whilst the higher price point may initially seem prohibitive when comparing Wegovy vs Mounjaro costs, some patients find the potentially enhanced efficacy justifies the additional investment. New patients can Save £20 off their first order using code Weightlossnew, reducing the initial financial commitment.

Long-term cost calculations should factor in treatment duration and individual response rates. If Mounjaro's superior average weight loss outcomes mean you reach your goal weight faster or maintain results more easily, the higher monthly cost may prove more economical overall. Conversely, Wegovy's proven efficacy at a lower price point makes it an excellent choice for budget-conscious patients, particularly those with modest weight loss targets. Your prescriber can discuss expected treatment timelines based on your specific circumstances.

Value Beyond Price: Considering Total Treatment Costs

When evaluating Wegovy vs Mounjaro from a value perspective, consider factors beyond the monthly medication cost. Both treatments require ongoing clinical monitoring, though Cured Pharmacy includes follow-up consultations within the service. The potential health cost savings from successful weight loss — reduced diabetes risk, improved cardiovascular health, decreased joint strain — often far exceed the medication investment over time.

Insurance coverage and reimbursement options remain limited for weight loss medications in the UK, meaning most patients pay privately. This makes Cured Pharmacy's competitive pricing particularly valuable, offering genuine UK-licensed medications at the lowest prices guaranteed across the UK market. Transparent upfront costs allow you to budget effectively for your weight loss journey without unexpected fees or hidden charges.

Making Your Choice: Which Is Better, Wegovy vs Mounjaro?

The question of which is better between Wegovy vs Mounjaro has no universal answer — the optimal choice depends on your individual circumstances, medical history, weight loss goals, and budget. Clinical trial data suggests Mounjaro may produce greater average weight loss, particularly at higher doses, making it potentially preferable for patients with substantial weight to lose or those who haven't achieved desired results with other GLP-1 treatments [4].

Wegovy represents an excellent first-line option for many patients, offering proven efficacy, extensive real-world safety data, and more affordable pricing. Its well-established dose titration protocol and comprehensive clinical trial evidence provide confidence in expected outcomes. Patients with type 2 diabetes may particularly benefit from either medication, as both improve glycaemic control alongside weight reduction, though Mounjaro's dual mechanism may offer additional metabolic advantages in this population [3].

Ultimately, the decision between Wegovy vs Mounjaro should be made collaboratively with a UK-registered prescriber who can assess your complete medical profile. At Cured Pharmacy, our clinical team evaluates your health history, current medications, previous weight loss attempts, and treatment preferences during the online consultation process. This personalised assessment ensures you receive the most appropriate recommendation, with the flexibility to adjust if your initial treatment doesn't produce optimal results. Both medications require commitment to lifestyle modifications — improved nutrition and regular physical activity — to maximise and maintain weight loss outcomes.

Scientific References

  1. Wilding, J. P. H., 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. Jastreboff, A. M., Aronne, L. J., Ahmad, N. N., Wharton, S., Connery, L., Alves, B., ... & Bunck, M. C. (2022). Tirzepatide once weekly for the treatment of obesity. New England Journal of Medicine, 387(3), 205-216. [accessed 15 August 2026]
  3. Frias, 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]
  4. Garvey, W. T., Batterham, R. L., Bhatta, M., Buscemi, S., Christensen, L. N., Frias, J. P., ... & SURMOUNT-2 Investigators. (2023). Two-year effects of tirzepatide in people with type 2 diabetes and increased cardiovascular risk. New England Journal of Medicine, 389(16), 1444-1454. [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!"

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

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Faq

Which is more effective for weight loss, Wegovy vs Mounjaro?
Clinical trials suggest Mounjaro produces greater average weight loss (up to 20.9%) compared to Wegovy (14.9%), though individual results vary significantly. Both medications are highly effective when combined with lifestyle modifications, and your prescriber will recommend the most suitable option based on your medical profile.
Can I switch from Wegovy to Mounjaro or vice versa?
Yes, patients can switch between Wegovy vs Mounjaro under prescriber guidance. Your clinician will determine the appropriate starting dose for the new medication based on your current treatment response and tolerability, typically requiring a brief washout period between medications.
Is Mounjaro worth the extra cost compared to Wegovy?
The value comparison between Wegovy vs Mounjaro depends on your individual response and weight loss goals. Mounjaro's potentially superior efficacy may justify the higher cost for some patients, whilst Wegovy's proven results at a lower price point make it excellent value for others seeking effective weight management.
Do Wegovy and Mounjaro have the same side effects?
Both Wegovy vs Mounjaro share similar gastrointestinal side effects including nausea, diarrhoea, and vomiting, though incidence rates differ slightly. Most side effects diminish after the initial weeks as your body adapts to the medication.
How quickly will I see results with Wegovy vs Mounjaro?
Most patients notice initial weight loss within 4-8 weeks with either medication. Mounjaro may produce slightly faster results in some individuals due to its dual mechanism, though both require several months to achieve maximum efficacy as doses are gradually increased.
Can I use Wegovy or Mounjaro if I have diabetes?
Both Wegovy vs Mounjaro are suitable for patients with type 2 diabetes, subject to prescriber approval. Mounjaro is also licensed specifically for diabetes management, whilst Wegovy is primarily indicated for weight loss. Your clinician will assess your glycaemic control and adjust any existing diabetes medications accordingly.
What happens if I miss a dose of Wegovy or Mounjaro?
If you miss a dose of either medication, administer it as soon as possible within 5 days. If more than 5 days have passed, skip the missed dose and resume your regular schedule. When comparing Wegovy vs Mounjaro protocols, both follow the same missed-dose guidance to maintain therapeutic levels.
Are Wegovy and Mounjaro available on the NHS?
NHS availability for Wegovy vs Mounjaro remains extremely limited, with strict eligibility criteria and significant waiting lists in most regions. Private prescription through registered UK pharmacies like Cured Pharmacy offers reliable access with transparent pricing and clinical support throughout your treatment journey.
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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