Mounjaro vs Wegovy UK - Compare Prices & Cheapest Option

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Mounjaro vs Wegovy UK - Compare Prices & Cheapest Option

Compare Mounjaro vs Wegovy at the cheapest UK prices from £225.00 — Save £20 off with code Weightlossnew.

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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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Mounjaro vs Wegovy UK: Which Weight Loss Injection Works Best?

When comparing Mounjaro vs Wegovy UK options, patients often ask which injectable delivers superior weight loss results. Both medications have transformed obesity treatment in the UK, but they work through different mechanisms and produce distinct outcomes in clinical trials. This comprehensive pharmacist-led comparison examines efficacy data, pricing, side effects, and practical considerations to help you make an informed choice subject to prescriber approval.

Mounjaro vs Wegovy UK: How Do They Differ?

The fundamental difference in the Mounjaro vs Wegovy UK comparison lies in their active ingredients and receptor targeting. Mounjaro contains tirzepatide, a dual GIP/GLP-1 receptor agonist that activates both glucose-dependent insulinotropic polypeptide and glucagon-like peptide-1 pathways [1]. Wegovy contains semaglutide, a selective GLP-1 receptor agonist that targets only the GLP-1 pathway [2]. This dual-action mechanism gives Mounjaro a theoretical advantage in metabolic regulation, though both medications significantly reduce appetite and slow gastric emptying.

In UK clinical practice, both treatments require weekly subcutaneous injection and follow structured dose escalation protocols. Mounjaro starts at 2.5mg weekly and can titrate up to 15mg, whilst Wegovy begins at 0.25mg weekly and escalates to a maintenance dose of 2.4mg [1][2]. The dosing schedules differ slightly, with Mounjaro offering more flexibility in titration steps. Both medications are prescription-only and require assessment by a UK-registered prescriber before dispensing.

Mounjaro vs Wegovy UK Weight Loss Results: What Clinical Trials Show

Direct head-to-head trials comparing Mounjaro vs Wegovy UK efficacy are limited, but separate landmark studies provide robust comparison data. The SURMOUNT-1 trial demonstrated that patients on Mounjaro 15mg achieved average weight loss of 20.9% of body weight over 72 weeks [1]. By comparison, the STEP 1 trial showed Wegovy 2.4mg produced average weight loss of 14.9% over 68 weeks [2]. These results suggest Mounjaro may deliver approximately 6% greater weight reduction, though individual responses vary considerably.

When our clinical team at Cured Pharmacy reviews Mounjaro vs Wegovy UK patient outcomes, we observe that both medications significantly outperform older weight loss treatments. Approximately 91% of Mounjaro patients achieved at least 5% weight loss in trials, compared to 86% of Wegovy patients [1][2]. For patients seeking maximum weight reduction, tirzepatide's dual-receptor mechanism appears to offer an edge, though semaglutide remains highly effective and may be preferable for those prioritising established safety data or lower starting costs.

Time to Results: Mounjaro vs Wegovy UK

Both medications produce noticeable weight loss within 4-8 weeks, though peak efficacy requires several months of treatment. In the Mounjaro vs Wegovy UK comparison, tirzepatide patients typically observe slightly faster initial weight reduction during the first 12 weeks, likely due to the dual GIP/GLP-1 mechanism [1]. However, both treatments require commitment to the full titration schedule and ongoing therapy for sustained results. Discontinuation often leads to weight regain, making long-term adherence essential regardless of which medication you choose.

Side Effects: Mounjaro vs Wegovy UK Safety Profiles

The side effect profiles in the Mounjaro vs Wegovy UK comparison are remarkably similar, as both medications affect the gastrointestinal system. The most common adverse effects for both treatments include nausea (reported in 29-44% of patients), diarrhoea, vomiting, constipation, and abdominal discomfort [1][2]. These symptoms typically emerge during dose escalation and diminish over 4-8 weeks as tolerance develops. Starting with the lowest dose and titrating slowly minimises gastrointestinal distress.

Serious adverse events are rare but require awareness. Both Mounjaro and Wegovy carry warnings for potential thyroid C-cell tumours (observed in rodent studies), pancreatitis, gallbladder disease, and hypoglycaemia when combined with insulin or sulphonylureas [1][2]. In our experience at Cured Pharmacy, patients with a personal or family history of medullary thyroid carcinoma or multiple endocrine neoplasia syndrome type 2 should not use either medication. The MHRA-approved prescribing information for both treatments emphasises the importance of clinical assessment before initiation.

Managing Side Effects: Mounjaro vs Wegovy UK

Practical strategies for minimising side effects apply equally to both medications in the Mounjaro vs Wegovy UK comparison. Eating smaller, more frequent meals, avoiding high-fat foods, staying well-hydrated, and injecting at consistent times each week can reduce gastrointestinal symptoms. If nausea persists beyond the first month, your prescriber may recommend slowing the dose escalation schedule. Superintendent pharmacist Tarun Kumar (GPhC 2233073) advises patients to maintain open communication with their clinical team throughout treatment to optimise tolerability.

Feature Mounjaro Wegovy
Active Ingredient Tirzepatide Semaglutide
Mechanism Dual GIP/GLP-1 agonist GLP-1 agonist
Average Weight Loss Up to 20.9% (72 weeks) Up to 14.9% (68 weeks)
Starting Dose 2.5mg weekly 0.25mg weekly
Maintenance Dose 5-15mg weekly 2.4mg weekly
Price at Cured Pharmacy From £245.00/month From £89.00/month
Injection Frequency Once weekly Once weekly
Common Side Effects Nausea, diarrhoea, vomiting Nausea, diarrhoea, vomiting
UK Regulatory Status MHRA-approved MHRA-approved

Mounjaro vs Wegovy UK Pricing: Which Offers Better Value?

Cost represents a significant consideration in the Mounjaro vs Wegovy UK decision, as neither medication is routinely available on NHS prescription for weight loss alone. At Cured Pharmacy, Wegovy starts from £225.00 per month, whilst Mounjaro is priced from £225.00 per month. The price difference reflects Mounjaro's newer market entry and dual-receptor formulation, though both represent substantial investment compared to older weight loss medications.

When evaluating Mounjaro vs Wegovy UK value, consider cost-effectiveness alongside clinical outcomes. Mounjaro's superior weight loss results may justify the higher price for patients seeking maximum efficacy, whilst Wegovy offers proven results at a more accessible price point. First-time patients at Cured Pharmacy can Save £20 off with code Weightlossnew, reducing initial treatment costs. Both medications require ongoing monthly supply for sustained weight management, so long-term affordability should inform your choice subject to prescriber assessment.

Who Should Choose Mounjaro vs Wegovy UK?

Patient selection in the Mounjaro vs Wegovy UK comparison depends on individual clinical factors, weight loss goals, and budget considerations. Mounjaro may be preferable for patients with higher baseline BMI seeking maximum weight reduction, those who have plateaued on semaglutide, or individuals with concurrent type 2 diabetes requiring robust glycaemic control [1]. The dual GIP/GLP-1 mechanism offers theoretical advantages in metabolic health beyond weight loss alone.

Wegovy remains an excellent choice in the Mounjaro vs Wegovy UK decision for patients prioritising established long-term safety data, lower treatment costs, or those new to GLP-1 therapy. With over four years of real-world use in the UK, semaglutide has a well-characterised safety profile and extensive clinical experience supporting its use [2]. Both medications require BMI ≥30 kg/m² (or ≥27 kg/m² with weight-related comorbidities) for prescription eligibility in the UK. Your prescriber will assess medical history, contraindications, and treatment goals during the clinical consultation.

Switching Between Treatments: Mounjaro vs Wegovy UK

Some patients switch between treatments based on response, tolerability, or supply availability. When transitioning in the Mounjaro vs Wegovy UK context, your prescriber will determine appropriate dosing equivalence and titration schedule. Switching typically requires restarting at a lower dose to minimise side effects, though patients already tolerating GLP-1 therapy may progress faster through escalation. Clinical assessment is essential before making any treatment changes.

How to Access Mounjaro vs Wegovy UK at Cured Pharmacy

Accessing either medication in the Mounjaro vs Wegovy UK comparison requires clinical assessment by a UK-registered prescriber. At Cured Pharmacy, the process begins with a confidential online consultation taking under 3 minutes, where you provide medical history, current medications, and weight loss goals. Our clinical team reviews your assessment within hours, and if approved, your prescription is dispensed from our GPhC-registered pharmacy (9012511) with discreet next-day delivery available.

Both Mounjaro and Wegovy are genuine UK-licensed medications sourced through regulated supply chains. Cured Pharmacy guarantees transparent upfront pricing with no hidden consultation fees, and our superintendent pharmacist Tarun Kumar (GPhC 2233073) oversees all clinical protocols. Whether you choose Mounjaro or Wegovy following your assessment, you receive ongoing support from our UK-based pharmacy team throughout your weight loss journey. Start your assessment today to determine which treatment best suits your needs.

Scientific References

  1. Jastreboff, A. M., Aronne, L. J., Ahmad, N. N., et al. (2022). Tirzepatide once weekly for the treatment of obesity. New England Journal of Medicine, 387(3), 205-216. [accessed 15 August 2026]
  2. Wilding, J. P., Batterham, R. L., Calanna, S., et al. (2021). Once-weekly semaglutide in adults with overweight or obesity. New England Journal of Medicine, 384(11), 989-1002. [accessed 15 August 2026]
  3. NHS. (2026). Tirzepatide: a medicine to manage type 2 diabetes and treat obesity. https://www.nhs.uk/medicines/tirzepatide/ Accessed 15 August 2026.
  4. NHS. (2026). Overweight and obesity in adults. https://www.nhs.uk/conditions/overweight-and-obesity/ Accessed 15 August 2026.
  5. 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

Which is more effective for weight loss, Mounjaro vs Wegovy UK?
Clinical trials suggest Mounjaro produces approximately 6% greater weight loss on average (20.9% vs 14.9%), though both medications are highly effective and individual results vary subject to prescriber assessment.
Is Mounjaro vs Wegovy UK pricing significantly different?
Yes, Wegovy starts from £225.00 per month at Cured Pharmacy whilst Mounjaro starts from £225.00, reflecting the newer dual-receptor formulation and market positioning.
Can I switch from Wegovy to Mounjaro in the UK?
Switching between treatments requires clinical assessment by a UK prescriber who will determine appropriate dosing and titration schedule based on your current therapy and response.
Do Mounjaro vs Wegovy UK have the same side effects?
Both medications share similar gastrointestinal side effects including nausea, diarrhoea, and vomiting, though individual tolerance varies.
How long does it take to see results with Mounjaro vs Wegovy UK?
Most patients notice weight loss within 4-8 weeks of starting either medication, with peak efficacy typically achieved after several months of treatment and full dose titration.
Are Mounjaro vs Wegovy UK available on NHS prescription?
NHS availability is limited and varies by region. Private prescription through UK-registered pharmacies like Cured Pharmacy offers reliable access to both medications subject to clinical assessment.
Which is safer, Mounjaro vs Wegovy UK?
Both medications have similar safety profiles with comparable adverse event rates in clinical trials. Wegovy has longer real-world use data, whilst Mounjaro offers newer trial evidence.
Do I need a prescription for Mounjaro vs Wegovy UK?
Yes, both medications are prescription-only in the UK and require assessment by a registered prescriber before dispensing from a GPhC-registered pharmacy.
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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