Wegovy vs Ozempic vs Mounjaro UK - Compare Prices & Results

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Wegovy vs Ozempic vs Mounjaro UK - Compare Cheapest Prices

Compare the cheapest UK prices for all three injections from £124.99 - 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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Wegovy vs Ozempic vs Mounjaro UK: Clinical Comparison & Expert Guide

When comparing Wegovy vs Ozempic vs Mounjaro in the UK, patients often face confusion about which GLP-1 receptor agonist offers the best weight loss results, tolerability, and value. As a UK-registered pharmacy with thousands of weight loss consultations completed, we've seen firsthand how these three MHRA-licensed treatments perform in real-world practice. This comprehensive guide compares the clinical evidence, pricing, and practical considerations to help you make an informed decision with your prescriber.

How Wegovy vs Ozempic vs Mounjaro UK Treatments Work

Understanding the mechanism behind Wegovy vs Ozempic vs Mounjaro in the UK starts with their active ingredients. Wegovy and Ozempic both contain semaglutide, a GLP-1 receptor agonist that mimics the incretin hormone your gut naturally produces after eating [1]. Mounjaro contains tirzepatide, a dual GIP/GLP-1 receptor agonist that activates two hormone pathways instead of one [2]. This dual action is why many clinicians consider Mounjaro the next generation of weight loss therapy.

All three medications work by slowing gastric emptying, reducing appetite, and improving insulin sensitivity. The STEP clinical trial programme demonstrated that semaglutide (Wegovy) produced an average weight loss of 15.3% over 68 weeks in adults with obesity [1]. The SURPASS-2 trial showed tirzepatide (Mounjaro) achieved up to 22.5% average weight loss at the highest dose - significantly more than semaglutide in head-to-head comparison [2]. Ozempic, though licensed primarily for type 2 diabetes, contains the same semaglutide molecule as Wegovy but at lower maximum doses, which is why some UK prescribers use it off-label for weight management.

The key difference when evaluating Wegovy vs Ozempic vs Mounjaro for UK patients is that Wegovy and Mounjaro are specifically MHRA-licensed for chronic weight management in adults with a BMI of 30 or above, or 27 or above with weight-related comorbidities [3]. Ozempic remains licensed only for type 2 diabetes in the UK, though it shares the same active ingredient as Wegovy. All three require subcutaneous injection once weekly and are available through Cured Pharmacy following online clinical assessment by our UK-registered prescribers.

Wegovy vs Ozempic vs Mounjaro UK: Clinical Efficacy Comparison

When UK patients ask which is most effective among Wegovy vs Ozempic vs Mounjaro, the clinical trial data provides clear guidance. The SURPASS-2 head-to-head trial directly compared tirzepatide (Mounjaro) against semaglutide 1mg (Ozempic dose) in patients with type 2 diabetes [2]. At 40 weeks, participants on the highest tirzepatide dose (15mg) lost an average of 11.2kg compared to 5.7kg with semaglutide 1mg - nearly double the weight reduction.

For weight-specific licensing, Wegovy uses higher semaglutide doses than Ozempic (up to 2.4mg versus 1mg maximum). The STEP 1 trial showed this higher Wegovy dose produced 15.3% average total body weight loss versus 2.6% with placebo over 68 weeks [1]. Mounjaro's SURMOUNT-1 trial in adults without diabetes demonstrated even greater efficacy: 22.5% average weight loss at the 15mg dose over 72 weeks [4]. In our clinical experience at Cured Pharmacy, patients on Mounjaro typically report faster initial weight loss and better appetite suppression than those on Wegovy, though individual responses vary considerably.

It's crucial to understand that when comparing Wegovy vs Ozempic vs Mounjaro in the UK, these are average trial results - your individual response depends on adherence, lifestyle modifications, starting weight, and metabolic factors. All three medications require commitment to dietary changes and increased physical activity for optimal results [3]. Subject to prescriber approval, our superintendent pharmacist Tarun Kumar and clinical team assess your full medical history to determine which treatment offers the best risk-benefit profile for your circumstances.

Real-World Weight Loss Expectations

Beyond clinical trials, real-world UK data shows slightly lower but still significant results. NHS England's specialist weight management services report that patients on semaglutide-based treatments (Wegovy/Ozempic) typically achieve 10-12% weight loss over 12 months when combined with behavioural support [5]. Early real-world evidence for tirzepatide suggests maintenance of the 18-22% weight loss range seen in trials. At Cured Pharmacy, we emphasise that these medications are tools, not magic solutions - success requires ongoing commitment to healthier eating patterns and regular activity.

Side Effects: Wegovy vs Ozempic vs Mounjaro UK Safety Profile

The side effect profiles of Wegovy vs Ozempic vs Mounjaro in the UK are broadly similar, as all are GLP-1 receptor agonists affecting the gastrointestinal system. The most common adverse effects across all three medications include nausea, diarrhoea, vomiting, constipation, and abdominal discomfort [1][2]. These symptoms are typically most pronounced during dose escalation and tend to diminish over 4-8 weeks as your body adapts.

In the STEP trials, approximately 44% of Wegovy patients experienced nausea compared to 17% on placebo, with most cases mild to moderate [1]. The SURPASS trials showed similar gastrointestinal side effect rates for Mounjaro, with nausea affecting 17-22% of patients depending on dose [2]. Interestingly, the dual GIP/GLP-1 action of tirzepatide may produce slightly different tolerability - some patients who struggle with semaglutide-based nausea tolerate Mounjaro better, while others find the opposite. In our experience dispensing all three treatments at Cured Pharmacy, individual variation is significant.

Serious but rare risks apply to all three medications when evaluating Wegovy vs Ozempic vs Mounjaro for UK use. These include potential thyroid C-cell tumours (seen in rodent studies, not confirmed in humans), pancreatitis, gallbladder problems, and diabetic retinopathy complications in those with existing diabetes [3]. The MHRA requires prescribers to screen for personal or family history of medullary thyroid carcinoma and multiple endocrine neoplasia syndrome type 2 before prescribing. Our clinical team conducts this screening during your online consultation, and ongoing monitoring is essential throughout treatment.

Managing Common Side Effects

Practical strategies can significantly reduce side effects regardless of which treatment you choose. Eating smaller, more frequent meals, avoiding high-fat foods, staying well-hydrated, and never skipping the gradual dose escalation schedule all help minimise gastrointestinal symptoms. Our pharmacist-led support at Cured Pharmacy includes specific guidance on managing nausea and optimising tolerability. If side effects become intolerable, your prescriber may slow dose increases, switch to an alternative GLP-1 medication, or discontinue treatment - never adjust doses yourself without clinical guidance.

Feature Wegovy Ozempic Mounjaro
Active Ingredient Semaglutide Semaglutide Tirzepatide
Mechanism GLP-1 agonist GLP-1 agonist Dual GIP/GLP-1 agonist
UK Licence Weight management Type 2 diabetes only Weight management & diabetes
Maximum Dose 2.4mg weekly 1mg weekly 15mg weekly
Average Weight Loss 15.3% (STEP trials) ~10% (off-label use) 22.5% (SURMOUNT trials)
Injection Frequency Once weekly Once weekly Once weekly
Starting Price (Cured) From £89.00 Not stocked From £145.00
Common Side Effects Nausea, diarrhoea, vomiting Nausea, diarrhoea, vomiting Nausea, diarrhoea, vomiting
UK Availability Good (2024) Limited (diabetes priority) Good (2024)

Wegovy vs Ozempic vs Mounjaro UK Pricing & Value Comparison

Price is a major consideration when comparing Wegovy vs Ozempic vs Mounjaro in the UK private market, as none are routinely available on NHS prescription for weight loss alone. At Cured Pharmacy, Wegovy starts from £124.99 per pen, Mounjaro from £124.99 per pen, and while we don't stock Ozempic (as it's licensed only for diabetes), typical UK private pricing ranges from £124.99-200 per pen at other providers. These prices reflect monthly treatment at maintenance doses.

When evaluating value in the Wegovy vs Ozempic vs Mounjaro UK comparison, consider cost per kilogram lost alongside absolute price. If Mounjaro produces 50% more weight loss than Wegovy in clinical trials (22.5% versus 15.3%), the additional £124.99 monthly cost may represent better value for some patients [1][2]. However, Wegovy's lower starting price makes it more accessible for many UK patients beginning their weight loss journey. We offer transparent upfront pricing before your consultation, with no hidden fees - what you see is what you pay.

Cost-saving strategies apply across all three treatments. At Cured Pharmacy, new patients Save £20 off their first order with code Weightlossnew. Committing to 3-month supplies often reduces per-pen costs. Some patients start with Wegovy for initial weight loss, then switch to Mounjaro if they plateau - though this requires prescriber approval and careful monitoring. Remember that all three medications require ongoing treatment to maintain weight loss; most patients need 12-24 months of therapy, so budget for long-term costs when comparing Wegovy vs Ozempic vs Mounjaro UK options [5].

Availability & Access: Wegovy vs Ozempic vs Mounjaro in the UK

UK availability has been a significant factor in the Wegovy vs Ozempic vs Mounjaro comparison throughout 2023-2024. Wegovy faced severe supply shortages after its UK launch, with manufacturer Novo Nordisk prioritising existing patients [6]. Mounjaro (Eli Lilly) has maintained more consistent UK supply since its weight loss indication approval in late 2023. Ozempic continues to face intermittent shortages as diabetes demand and off-label weight loss use compete for limited stock.

At Cured Pharmacy, we maintain active stock of both Wegovy and Mounjaro, with real-time availability shown on our product pages. Our UK-registered clinical team can prescribe either medication following a free online consultation that takes under 3 minutes to complete. We do not stock Ozempic, as it lacks MHRA licensing for weight management and current NHS guidance discourages its use for this indication when licensed alternatives (Wegovy, Mounjaro) are available [3].

The consultation process for accessing Wegovy vs Ozempic vs Mounjaro through UK pharmacies like ours involves completing a medical questionnaire covering your weight history, BMI, previous weight loss attempts, current medications, and relevant medical conditions. Our prescribers assess whether you meet NICE criteria (BMI ≥30, or ≥27 with weight-related comorbidity) and whether any contraindications exist [3]. Approved prescriptions are dispensed the same day with next-day delivery across the UK in 100% discreet packaging. Ongoing prescriber review every 3-6 months ensures continued appropriateness and safety monitoring.

NHS vs Private Access

The NHS currently restricts Wegovy and Mounjaro to specialist weight management services in limited areas, with strict eligibility criteria often requiring failed attempts with other interventions first [5]. Most UK patients seeking these treatments access them privately through registered pharmacies like Cured Pharmacy. Private access offers faster initiation, ongoing availability regardless of NHS funding decisions, and flexibility to switch between treatments based on efficacy and tolerability rather than formulary restrictions. All private prescriptions still require the same clinical safeguards and prescriber oversight as NHS routes.

Which Treatment Wins? Wegovy vs Ozempic vs Mounjaro UK Verdict

There is no universal winner in the Wegovy vs Ozempic vs Mounjaro UK comparison - the optimal choice depends on your individual circumstances, budget, and clinical profile. Based on current evidence and our dispensing experience at Cured Pharmacy, Mounjaro offers the highest average weight loss (up to 22.5%) and may suit patients with significant weight to lose who haven't responded adequately to previous interventions [2][4]. Wegovy provides proven efficacy (average 15.3% weight loss) at a lower price point, making it an excellent first-line option for most patients meeting NICE criteria [1].

Ozempic occupies an awkward position in this comparison for UK patients - it's not licensed for weight management, faces supply constraints due to diabetes demand, and offers lower maximum doses than Wegovy despite containing the same active ingredient. Unless you have type 2 diabetes requiring treatment, there's little clinical rationale to choose Ozempic over Wegovy or Mounjaro for weight loss in the current UK market [3].

Our superintendent pharmacist Tarun Kumar recommends starting with Wegovy for most patients new to GLP-1 therapy, given its lower cost, extensive safety data, and proven efficacy. If you plateau after 6-12 months, tolerate the medication well, and have additional weight to lose, switching to Mounjaro under prescriber supervision may provide renewed progress. Patients with type 2 diabetes alongside obesity may particularly benefit from Mounjaro's dual mechanism and superior glycaemic control [2]. Regardless of which treatment you choose when comparing Wegovy vs Ozempic vs Mounjaro UK options, success requires commitment to lifestyle changes, realistic expectations, and ongoing clinical monitoring - all of which our team at Cured Pharmacy supports throughout your journey.

Making Your Decision

Schedule a free consultation with our UK prescribers to discuss your specific situation. We'll review your medical history, weight loss goals, previous attempts, budget considerations, and any contraindications to help determine whether Wegovy, Mounjaro, or an alternative treatment offers the best path forward. Your personalised treatment plan may evolve over time as your needs change - we're here to support you at every stage with expert pharmaceutical care and competitive UK pricing from £124.99.

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. 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. National Institute for Health and Care Excellence. (2023). Semaglutide for managing overweight and obesity [TA875]. NICE. [accessed 15 August 2026]
  4. Jastreboff, A. M., Aronne, L. J., Ahmad, N. N., Wharton, S., Connery, L., Alves, B., ... & SURMOUNT-1 Investigators. (2022). Tirzepatide once weekly for the treatment of obesity. New England Journal of Medicine, 387(3), 205-216. [accessed 15 August 2026]
  5. NHS England. (2023). Clinical Commissioning Policy: Treatment of severe and complex obesity with specialist weight management interventions. NHS England. [accessed 15 August 2026]
  6. Medicines and Healthcare products Regulatory Agency. (2023). Supply update for semaglutide injection (Ozempic and Wegovy). MHRA Drug Safety Update. [accessed 15 August 2026]
  7. NHS. (2026). Tirzepatide: a medicine to manage type 2 diabetes and treat obesity. https://www.nhs.uk/medicines/tirzepatide/ Accessed 15 August 2026.
  8. NHS. (2026). Overweight and obesity in adults. https://www.nhs.uk/conditions/overweight-and-obesity/ Accessed 15 August 2026.
  9. 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."

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"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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Faq

Which is better for weight loss in the UK: Wegovy, Ozempic, or Mounjaro?
Clinical trials show Mounjaro produces the highest average weight loss (22.5%) compared to Wegovy (15.3%) and Ozempic (~10% at diabetes doses). However, individual response varies, and Wegovy offers excellent results at a lower price point, making it the best first-line choice for most UK patients.
Can I get Wegovy, Ozempic, or Mounjaro on the NHS in the UK?
NHS access is extremely limited - available only through specialist weight management services in select areas with strict eligibility criteria. Most UK patients access these treatments privately through registered pharmacies like Cured Pharmacy following online prescriber assessment.
What's the price difference between Wegovy vs Ozempic vs Mounjaro UK?
At Cured Pharmacy, Wegovy starts from £124.99 and Mounjaro from £124.99 per monthly pen. We don't stock Ozempic as it's not licensed for weight management, though other UK providers typically charge £124.99-200 monthly for off-label use.
Is Ozempic the same as Wegovy in the UK?
Both contain semaglutide, but Wegovy is licensed for weight management at higher doses (up to 2.4mg) while Ozempic is licensed only for type 2 diabetes at lower doses (up to 1mg). For weight loss, Wegovy is the appropriate UK-licensed choice.
How do I choose between Wegovy vs Ozempic vs Mounjaro UK?
Consider your budget, weight loss goals, and medical history. Start with Wegovy for proven efficacy at lower cost, or choose Mounjaro if you need maximum weight loss and can afford the higher price. Avoid Ozempic for weight management as it's not UK-licensed for this use.
What are the side effects of Wegovy vs Ozempic vs Mounjaro?
All three cause similar gastrointestinal side effects - nausea, diarrhoea, vomiting, and constipation affect 20-45% of patients, usually improving after 4-8 weeks. Rare but serious risks include pancreatitis and gallbladder problems across all three medications.
Can I switch between Wegovy, Ozempic, and Mounjaro in the UK?
Yes, under prescriber supervision you can switch between these medications if one isn't effective or well-tolerated. Many patients start with Wegovy and switch to Mounjaro if they plateau, though this requires clinical assessment and careful dose adjustment.
How long does Wegovy vs Ozempic vs Mounjaro take to work?
Most patients notice reduced appetite within 1-2 weeks and measurable weight loss by week 4. Maximum efficacy occurs at maintenance doses after 16-20 weeks of gradual escalation. Clinical trials measured outcomes at 68-72 weeks for full weight loss potential.
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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