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 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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Mounjaro vs Wegovy UK: Which Weight Loss Treatment Is Right for You?

When comparing Mounjaro vs Wegovy UK options, many patients ask which injectable delivers superior weight loss results. Both medications have transformed obesity treatment in the UK, but they work through different mechanisms and offer distinct advantages. This comprehensive comparison examines clinical trial data, pricing, side effects, and practical considerations to help you make an informed decision with your UK prescriber.

Mounjaro vs Wegovy UK: Active Ingredients and How They Work

The fundamental difference in the Mounjaro vs Wegovy UK debate lies in their active pharmaceutical ingredients. Mounjaro contains tirzepatide, a dual GIP/GLP-1 receptor agonist that targets two incretin hormones simultaneously[1]. Wegovy contains semaglutide, a GLP-1 receptor agonist that mimics a single incretin hormone[2]. Both medications work by reducing appetite, slowing gastric emptying, and improving blood sugar regulation, but tirzepatide's dual-action mechanism may offer enhanced metabolic benefits.

In our clinical experience at Cured Pharmacy, patients often notice that Mounjaro's dual receptor activation produces more pronounced appetite suppression in the initial weeks compared to Wegovy. However, both treatments require gradual dose escalation over several months to minimise gastrointestinal side effects. The MHRA has licensed both medications for chronic weight management in adults with a BMI of 30 kg/m² or greater, or 27 kg/m² with weight-related comorbidities, subject to prescriber approval[1][2].

Clinical Trial Results: Mounjaro vs Wegovy UK Weight Loss Efficacy

When evaluating Mounjaro vs Wegovy UK efficacy, head-to-head clinical trial data provides crucial insights. The SURMOUNT-1 trial demonstrated that tirzepatide (Mounjaro) produced average weight loss of 15-22.5% of initial body weight over 72 weeks, depending on the dose[1]. The STEP trials showed semaglutide (Wegovy) achieved average weight loss of 12-15% over 68 weeks[2]. Both results significantly exceed placebo and represent substantial improvements over older weight loss medications.

In real-world UK clinical practice, we observe that individual responses vary considerably. Approximately 85% of patients on Mounjaro's highest dose (15mg) achieved at least 5% weight loss in trials, whilst around 80% of Wegovy patients at the maintenance dose (2.4mg) reached the same threshold[1][2]. These percentages represent averages from controlled trials; actual results depend on adherence, lifestyle modifications, and individual metabolic factors. Both medications require ongoing treatment to maintain weight loss, as discontinuation typically results in weight regain.

Long-Term Sustainability and Maintenance

A critical consideration in the Mounjaro vs Wegovy UK comparison is long-term weight maintenance. Clinical trials demonstrate that both medications maintain efficacy beyond one year when treatment continues, but cessation leads to gradual weight regain in most patients[1][2]. At Cured Pharmacy, Superintendent Pharmacist Tarun Kumar (GPhC 2233073) emphasises that these are chronic disease medications, not short-term solutions. Patients should discuss realistic treatment timelines with their UK prescriber during the online consultation, which takes under three minutes to complete.

Side Effects Profile: Mounjaro vs Wegovy UK Tolerability

The side effects profile represents a key factor when choosing between Mounjaro vs Wegovy UK treatments. Both medications share similar gastrointestinal adverse effects, including nausea, diarrhoea, vomiting, constipation, and abdominal discomfort[1][2]. These symptoms typically emerge during dose escalation and diminish over time as the body adapts. In clinical trials, approximately 44% of Mounjaro patients and 50% of Wegovy patients experienced nausea, though most cases were mild to moderate[1][2].

Serious side effects remain rare but require awareness. Both medications carry warnings about potential thyroid C-cell tumours (based on rodent studies), pancreatitis, gallbladder problems, and hypoglycaemia when combined with certain diabetes medications[1][2]. Patients with a personal or family history of medullary thyroid carcinoma or Multiple Endocrine Neoplasia syndrome type 2 should not use either treatment. Our UK-registered clinical team screens for contraindications during every online assessment to ensure patient safety.

Managing Common Side Effects

Practical strategies can significantly improve tolerability when comparing Mounjaro vs Wegovy UK options. Eating smaller, more frequent meals, avoiding high-fat foods, staying well-hydrated, and injecting at consistent times help minimise gastrointestinal symptoms. If side effects become severe or persistent, your UK prescriber may recommend slowing dose escalation or temporarily maintaining your current dose. Never adjust dosing independently—always consult your healthcare professional first.

Feature Mounjaro (Tirzepatide) Wegovy (Semaglutide)
Active Ingredient Tirzepatide (dual GIP/GLP-1) Semaglutide (GLP-1 only)
Average Weight Loss 15-22.5% over 72 weeks 12-15% over 68 weeks
Starting Dose 2.5mg weekly 0.25mg weekly
Maintenance Dose 5-15mg weekly 2.4mg weekly
Administration Once-weekly injection Once-weekly injection
Common Side Effects Nausea, diarrhoea, vomiting Nausea, diarrhoea, vomiting
Starting Price (Cured) From £145.00/month From £89.00/month
Discount Code £10 off with Weightlossnew £10 off with Weightlossnew

Mounjaro vs Wegovy UK Pricing and Value Comparison

Pricing represents a significant consideration in the Mounjaro vs Wegovy UK decision. At Cured Pharmacy, Wegovy starts from £124.99 per month, whilst Mounjaro begins at £124.99 per month, with transparent upfront pricing shown before your online consultation[3]. New patients receive £20 off their first order using code Weightlossnew, making Wegovy available from £124.99 and Mounjaro from £124.99 initially. Both treatments require ongoing monthly prescriptions, so annual costs should factor into your decision.

When assessing value, consider efficacy alongside price. Mounjaro's higher average weight loss percentages may justify the additional cost for some patients, particularly those with significant weight to lose or previous unsuccessful attempts with other medications. Wegovy offers competitive UK pricing whilst still delivering substantial clinical benefits backed by extensive trial data[2]. Both medications require private prescription in the UK, as NHS availability remains limited to specialist weight management services in most areas. All prescription treatments at Cured Pharmacy require clinical assessment by a UK-registered prescriber.

Dosing Schedules: Mounjaro vs Wegovy UK Administration

Understanding dosing protocols helps patients compare Mounjaro vs Wegovy UK treatments practically. Both medications use once-weekly subcutaneous injections via pre-filled pens. Mounjaro starts at 2.5mg weekly for four weeks, then increases to 5mg, with potential escalation to 7.5mg, 10mg, 12.5mg, or 15mg based on response and tolerability[1]. Wegovy begins at 0.25mg weekly, gradually increasing over 16-20 weeks to the maintenance dose of 2.4mg weekly[2].

The injection technique remains identical for both treatments—patients self-administer into the abdomen, thigh, or upper arm using the single-dose pen. Cured Pharmacy provides comprehensive patient information leaflets and injection guidance with every order, delivered in 100% discreet packaging. Consistency matters: injecting on the same day each week optimises efficacy and helps establish routine. If you miss a dose, specific guidelines apply depending on how much time has elapsed—your patient information leaflet contains detailed instructions.

Injection Site Rotation and Technique

Proper injection technique enhances comfort and absorption for both Mounjaro vs Wegovy UK options. Rotate injection sites weekly to prevent lipohypertrophy (fatty lumps under the skin). Allow the pen to reach room temperature before injecting, clean the site with an alcohol wipe, and inject at a 90-degree angle. Hold the pen in place for 5-10 seconds after pressing the button to ensure full dose delivery. Dispose of used pens safely in a sharps container, available free from most UK pharmacies.

Who Should Choose Mounjaro vs Wegovy UK: Patient Suitability

Determining individual suitability represents the most important aspect of the Mounjaro vs Wegovy UK comparison. Both medications suit adults with obesity (BMI ≥30 kg/m²) or overweight (BMI ≥27 kg/m²) with weight-related health conditions such as type 2 diabetes, hypertension, or sleep apnoea. Patients with type 2 diabetes may particularly benefit from either medication, as both improve glycaemic control alongside weight loss[1][2]. However, Mounjaro holds a separate licence for diabetes management at different doses.

Certain patients may favour one treatment over the other based on specific circumstances. Those seeking maximum weight loss potential and willing to invest in higher monthly costs may prefer Mounjaro, given its superior trial outcomes[1]. Patients prioritising competitive UK pricing whilst still achieving clinically significant weight loss may opt for Wegovy[2]. Previous experience with GLP-1 medications (such as Saxenda) can inform your choice—patients who responded well to semaglutide-based treatments may continue with Wegovy, whilst those seeking enhanced results might transition to Mounjaro. Your UK prescriber will assess your medical history, current medications, weight loss goals, and budget during the online consultation to recommend the most appropriate option. At Cured Pharmacy, our clinical team has supported thousands of patients in making this decision, ensuring safe, effective treatment under proper medical supervision.

Scientific References

  1. Jastreboff, A. M., Aronne, L. J., Ahmad, N. N., Wharton, S., Connery, L., Alves, B., ... & Garvey, W. T. (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., 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]
  3. Cured Pharmacy. (2025). Weight loss treatments: Pricing and availability. Retrieved from https://curedpharmacy.com/collections/weight-loss [accessed 15 August 2026]
  4. NHS. (2026). Tirzepatide: a medicine to manage type 2 diabetes and treat obesity. https://www.nhs.uk/medicines/tirzepatide/ Accessed 15 August 2026.
  5. NHS. (2026). Overweight and obesity in adults. https://www.nhs.uk/conditions/overweight-and-obesity/ Accessed 15 August 2026.
  6. 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 better for weight loss, Mounjaro or Wegovy UK?
Clinical trials show Mounjaro (tirzepatide) produced higher average weight loss (15-22.5%) compared to Wegovy (12-15%), though both deliver clinically significant results. Individual responses vary, and your UK prescriber will recommend the most suitable option based on your medical history and goals.
Can I switch from Wegovy to Mounjaro in the UK?
Yes, switching between Mounjaro vs Wegovy UK treatments is possible under medical supervision. Your prescriber will determine the appropriate starting dose based on your current Wegovy dose and treatment response, ensuring safe transition without interrupting weight loss progress.
Is Mounjaro vs Wegovy UK available on the NHS?
NHS availability for both Mounjaro and Wegovy remains limited to specialist weight management services in most UK areas. Private prescription through registered online pharmacies like Cured Pharmacy offers faster access, with prices from £124.99 for Wegovy and £124.99 for Mounjaro, subject to clinical assessment.
How quickly do Mounjaro vs Wegovy UK treatments work?
Most patients notice appetite reduction within 1-2 weeks of starting either medication. Measurable weight loss typically begins within 4-6 weeks, with maximum effects achieved after reaching maintenance doses—approximately 20 weeks for Wegovy and 16-24 weeks for Mounjaro, depending on dose escalation.
Do Mounjaro and Wegovy have the same side effects in the UK?
Both medications share similar gastrointestinal side effects including nausea, diarrhoea, and vomiting, affecting 40-50% of patients during dose escalation. These symptoms typically diminish over time and can be managed with dietary adjustments and gradual dose increases under prescriber guidance.
Can I use Mounjaro vs Wegovy UK if I have diabetes?
Yes, both medications are suitable for patients with type 2 diabetes and obesity. Mounjaro holds a separate licence for diabetes management, whilst Wegovy is licensed specifically for weight management. Your UK prescriber will assess your diabetes medications to prevent hypoglycaemia risk.
What happens if I stop taking Mounjaro or Wegovy in the UK?
Clinical trials demonstrate that discontinuing either Mounjaro or Wegovy typically results in gradual weight regain, as both are chronic disease medications rather than short-term solutions. Ongoing treatment maintains weight loss, though lifestyle modifications remain essential for long-term success.
How long does Mounjaro vs Wegovy UK treatment last?
Both treatments are designed for long-term use. Clinical trials followed patients for 68-72 weeks, demonstrating sustained efficacy with continued treatment. Your UK prescriber will review your progress regularly and adjust treatment duration based on weight loss goals, tolerability, and overall health outcomes.
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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