Wegovy or Mounjaro - Which Is Cheaper in the UK?

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Cheapest Wegovy or Mounjaro UK - Compare Prices

Compare Wegovy or Mounjaro 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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LIVE PRICING

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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Wegovy or Mounjaro: Which Weight Loss Injection Should You Choose?

Choosing between Wegovy or Mounjaro is one of the most common questions we hear from patients seeking effective weight loss treatment in the UK. Both are prescription-only GLP-1 receptor agonists proven to deliver significant weight reduction, but they work through different mechanisms and suit different patient profiles. As a UK-registered pharmacy with thousands of consultations completed, we'll guide you through the clinical evidence, real-world efficacy, side effect profiles, and cost considerations to help you make an informed decision with your prescriber.

How Wegovy or Mounjaro Work: The Key Difference

Understanding whether Wegovy or Mounjaro is right for you starts with knowing how each medication works. Wegovy (semaglutide) is a GLP-1 receptor agonist that mimics the action of glucagon-like peptide-1, a hormone that regulates appetite and blood sugar. It slows gastric emptying, increases feelings of fullness, and reduces hunger signals to the brain [1].

Mounjaro (tirzepatide) takes a dual approach as both a GLP-1 and GIP (glucose-dependent insulinotropic polypeptide) receptor agonist. This dual action amplifies metabolic effects, often resulting in greater weight loss compared to GLP-1-only therapies. In the SURPASS-2 trial, tirzepatide demonstrated superior weight reduction compared to semaglutide 1mg, with patients losing an average of 12.4kg versus 6.2kg over 40 weeks [2]. This dual mechanism makes Mounjaro particularly effective for patients who need more intensive metabolic support.

Clinical Efficacy: Wegovy or Mounjaro for Weight Loss Results

When comparing Wegovy or Mounjaro for weight loss outcomes, clinical trial data provides clear benchmarks. The STEP 1 trial showed that Wegovy (semaglutide 2.4mg) helped patients achieve an average weight loss of 14.9% of body weight over 68 weeks, with 83.5% of participants losing at least 5% of their initial weight [1].

Mounjaro has demonstrated even more impressive results in head-to-head comparisons. The SURMOUNT-1 trial found that patients on the highest tirzepatide dose (15mg) lost an average of 20.9% of their body weight over 72 weeks — the highest weight loss ever recorded in a clinical trial for a non-surgical intervention [3]. Even at lower doses, Mounjaro consistently outperformed semaglutide in direct comparisons.

Real-World Efficacy: What Our Patients Experience

In our clinical practice at Cured Pharmacy, we've observed that response to Wegovy or Mounjaro varies by individual metabolic profile. Patients with higher baseline BMI (over 35) and those with type 2 diabetes often achieve better results with Mounjaro's dual-action mechanism. Wegovy remains highly effective for patients seeking proven weight loss with a well-established safety profile, particularly those new to GLP-1 therapy. Both medications require commitment to lifestyle changes including diet modification and regular physical activity to maximise results.

Side Effects: Comparing Wegovy or Mounjaro Tolerability

The side effect profiles of Wegovy or Mounjaro are similar, as both belong to the incretin mimetic class. The most common adverse effects are gastrointestinal: nausea, vomiting, diarrhoea, and constipation. These typically occur during dose escalation and often diminish as the body adapts [4].

In clinical trials, approximately 44% of Wegovy patients reported nausea, compared to 33% in the Mounjaro 15mg group [1][3]. However, Mounjaro's gradual dose titration schedule may offer better tolerability for some patients. Both medications carry warnings for thyroid C-cell tumours (based on rodent studies), pancreatitis risk, and gallbladder problems. Neither should be used in patients with a personal or family history of medullary thyroid carcinoma or Multiple Endocrine Neoplasia syndrome type 2.

Managing Side Effects: Practical Strategies

Our prescribers recommend starting with smaller meals, avoiding high-fat foods, and staying well-hydrated to minimise gastrointestinal side effects when using either Wegovy or Mounjaro. Injecting at bedtime can help patients sleep through initial nausea. If side effects become intolerable, your prescriber may slow the dose escalation schedule. Most patients find side effects manageable and consider them worthwhile given the significant weight loss achieved.

Feature Wegovy Mounjaro
Active Ingredient Semaglutide Tirzepatide
Mechanism GLP-1 agonist GLP-1 + GIP dual agonist
Average Weight Loss 14.9% body weight Up to 20.9% body weight
Dosing Frequency Once weekly Once weekly
Maintenance Dose 2.4mg Up to 15mg
Starting Price (Cured) From £89.00 From £145.00
Common Side Effects Nausea, vomiting, diarrhoea Nausea, vomiting, diarrhoea
Trial Evidence STEP trials SURMOUNT & SURPASS trials

Dosing and Administration: Wegovy or Mounjaro Convenience

Both Wegovy or Mounjaro are administered as once-weekly subcutaneous injections using pre-filled pens. Wegovy follows a five-step dose escalation: 0.25mg, 0.5mg, 1mg, 1.7mg, and finally 2.4mg maintenance dose over 16-20 weeks. This gradual increase helps minimise side effects while building therapeutic efficacy.

Mounjaro uses a similar escalation approach starting at 2.5mg, increasing to 5mg, 7.5mg, 10mg, 12.5mg, and up to 15mg maximum dose. The titration schedule is typically every four weeks, allowing flexibility based on individual tolerance and weight loss response. Both medications can be injected in the abdomen, thigh, or upper arm, and do not require refrigeration after first use (though they should be stored in the fridge before opening).

Cost Comparison: Wegovy or Mounjaro UK Pricing

Price is often a deciding factor when choosing between Wegovy or Mounjaro. At Cured Pharmacy, Wegovy is available from £124.99 per month (subject to prescriber approval), making it the more affordable option for many patients. New patients can save an additional £20 off their first order using code Weightlossnew.

Mounjaro is priced from £124.99 per month, reflecting its newer market entry and dual-action mechanism. While more expensive, many patients find the enhanced efficacy justifies the additional cost, particularly if they've plateaued on other weight loss treatments. Both prices include the medication, clinical consultation, and discreet home delivery. We guarantee the lowest UK prices and transparent upfront costs — no hidden fees after your consultation.

Long-Term Cost Considerations

When evaluating Wegovy or Mounjaro costs, consider the duration of treatment needed to reach your goal weight. Mounjaro's higher efficacy may mean reaching your target weight faster, potentially reducing total treatment duration. Conversely, Wegovy's lower monthly cost may be more sustainable for longer-term weight maintenance. Discuss your budget and timeline with your prescriber to determine the most cost-effective approach for your individual circumstances.

Who Should Choose Wegovy or Mounjaro: Patient Suitability

Determining whether Wegovy or Mounjaro is right for you depends on several clinical factors. Wegovy is licensed for adults with a BMI of 30 kg/m² or greater, or 27 kg/m² with at least one weight-related comorbidity (such as hypertension or type 2 diabetes). It's particularly suitable for patients seeking a well-established treatment with extensive real-world safety data spanning several years of use.

Mounjaro is approved for the same BMI criteria and offers advantages for patients who need maximum weight loss efficacy, particularly those with type 2 diabetes (it's also licensed as a diabetes treatment under the brand name Mounjaro). Patients who haven't achieved adequate results with Wegovy or other GLP-1 therapies may benefit from switching to Mounjaro's dual-action mechanism. Both medications require commitment to lifestyle changes and are not suitable for pregnant or breastfeeding women.

How Cured Pharmacy Helps You Decide Between Wegovy or Mounjaro

Our UK-registered prescribers conduct thorough clinical assessments to recommend the most appropriate option based on your medical history, weight loss goals, budget, and previous treatment responses. The online consultation takes under three minutes and covers all necessary safety screening. Superintendent pharmacist Tarun Kumar (GPhC 2233073) and our clinical team review every prescription to ensure safety and suitability. If approved, your medication is dispatched the same day in 100% discreet packaging with free tracked delivery.

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. 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]
  4. Smits, M. M., & Van Raalte, D. H. (2021). Safety of semaglutide. Frontiers in Endocrinology, 12, 645563. [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.

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

Can I switch from Wegovy to Mounjaro or vice versa?
Yes, patients can switch between Wegovy or Mounjaro under prescriber guidance. Your clinician will determine the appropriate starting dose based on your current treatment and response.
Which is better for weight loss, Wegovy or Mounjaro?
Clinical trials show Mounjaro produces greater average weight loss (up to 20.9%) compared to Wegovy (14.9%), though both are highly effective. Individual results vary based on adherence, lifestyle factors, and metabolic response.
Are Wegovy or Mounjaro available on the NHS?
Wegovy is available through NHS specialist weight management services in limited circumstances. Mounjaro is currently only available privately in the UK for weight loss, though it's NHS-funded for type 2 diabetes.
How long do I need to take Wegovy or Mounjaro?
Treatment duration varies by individual goals, typically ranging from 6-18 months to reach target weight. Many patients continue on a maintenance dose long-term to prevent weight regain, as weight often returns after stopping.
Do Wegovy or Mounjaro require a prescription in the UK?
Yes, both Wegovy and Mounjaro are prescription-only medicines (POM) in the UK and require clinical assessment by a registered prescriber before dispensing.
What's the difference between Wegovy or Mounjaro side effects?
Both medications cause similar gastrointestinal side effects (nausea, diarrhoea, vomiting), though some studies suggest Mounjaro may have slightly lower nausea rates at equivalent efficacy levels.
Can I get Wegovy or Mounjaro cheaper than Cured Pharmacy prices?
Cured Pharmacy guarantees the lowest UK prices with transparent upfront costs. Wegovy starts from £124.99 and Mounjaro from £124.99, with an additional £20 off your first order using code Weightlossnew.
Which works faster for weight loss, Wegovy or Mounjaro?
Mounjaro typically produces faster initial weight loss due to its dual mechanism, with significant results often visible within the first 8-12 weeks. Wegovy also shows early results, with both medications reaching peak efficacy after several months of treatment.
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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