Wegovy vs Mounjaro UK - Compare Prices & Which Is Cheaper

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Cheapest Wegovy vs Mounjaro UK - Compare Prices

Compare Wegovy vs Mounjaro at the cheapest UK price — 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 UK: Which Weight Loss Injection Is Right for You?

When comparing Wegovy vs Mounjaro UK options, patients often ask which injectable delivers better weight loss results and value. Both are MHRA-licensed GLP-1 receptor agonists proven in landmark clinical trials, but they differ in mechanism, efficacy, dosing frequency, and cost. As a UK-registered pharmacy with transparent pricing and expert clinical support, Cured Pharmacy helps you navigate this choice with confidence.

Wegovy vs Mounjaro UK: How Do They Work?

Understanding the Wegovy vs Mounjaro UK comparison starts with their active ingredients and mechanisms. Wegovy contains semaglutide, a GLP-1 receptor agonist that mimics the incretin hormone GLP-1, reducing appetite and slowing gastric emptying [1]. Mounjaro contains tirzepatide, a dual GIP/GLP-1 receptor agonist that activates both incretin pathways, potentially offering enhanced metabolic benefits [2].

Both medications work by signalling satiety to the brain, helping patients feel fuller for longer and reducing caloric intake. Mounjaro's dual-action mechanism targets glucose-dependent insulinotropic polypeptide (GIP) receptors alongside GLP-1, which may explain its superior weight loss outcomes in head-to-head trials [2]. However, individual response varies, and both treatments require ongoing clinical monitoring and lifestyle modification for optimal results.

Clinical Efficacy: Wegovy vs Mounjaro UK Trial Data

When evaluating Wegovy vs Mounjaro UK efficacy, clinical trial data provides critical insight. The STEP trials demonstrated that Wegovy users achieved an average weight loss of 15-17% of body weight over 68 weeks when combined with lifestyle intervention [1]. The SURMOUNT-1 trial showed Mounjaro users lost up to 22.5% of body weight at the highest dose (15 mg) over 72 weeks, representing the highest weight reduction seen in any obesity medication trial to date [2].

Direct comparison studies (SURPASS-2) showed tirzepatide outperformed semaglutide 1 mg in glycaemic control and weight reduction among type 2 diabetes patients [3]. While Wegovy is dosed at 2.4 mg weekly (higher than the diabetes formulation), Mounjaro's dual-agonist action appears to confer additional metabolic advantages. Both treatments require prescription and ongoing clinical assessment to ensure safety and efficacy for individual patients.

Real-World Outcomes for Wegovy vs Mounjaro UK Patients

Beyond controlled trials, real-world UK patient outcomes for Wegovy vs Mounjaro show both medications deliver clinically meaningful weight loss when adherence is maintained. Patients typically notice appetite suppression within the first week, with progressive weight reduction over 16-20 weeks as doses are titrated upward. Our clinical team at Cured Pharmacy monitors patient progress through follow-up consultations, adjusting treatment plans based on tolerability and response. Subject to prescriber approval, both medications offer proven efficacy for adults with a BMI ≥30 kg/m² or ≥27 kg/m² with weight-related comorbidities.

Wegovy vs Mounjaro UK: Dosing and Administration

Dosing schedules differ when comparing Wegovy vs Mounjaro UK treatments, impacting convenience and tolerability. Wegovy follows a five-step dose escalation: 0.25 mg, 0.5 mg, 1 mg, 1.7 mg, and maintenance at 2.4 mg weekly. Each dose is held for four weeks before escalation, allowing the body to adapt and minimising gastrointestinal side effects [1].

Mounjaro uses a similar escalation strategy but offers higher maximum doses: starting at 2.5 mg weekly, increasing every four weeks through 5 mg, 7.5 mg, 10 mg, 12.5 mg, to a maximum of 15 mg weekly [2]. Both are administered via subcutaneous injection in the abdomen, thigh, or upper arm using pre-filled single-dose pens. Patients typically find the injection process straightforward after initial training, and our UK-registered clinical team provides comprehensive guidance with every prescription.

Feature Wegovy Mounjaro
Active Ingredient Semaglutide Tirzepatide
Mechanism GLP-1 agonist Dual GIP/GLP-1 agonist
Average Weight Loss 15-17% body weight Up to 22.5% body weight
Maintenance Dose 2.4 mg weekly 5-15 mg weekly
Starting Price (UK) From £89.00 From £145.00
Injection Frequency Once weekly Once weekly
Common Side Effects Nausea, diarrhoea, vomiting Nausea, diarrhoea, vomiting
MHRA Licensed Yes Yes

Wegovy vs Mounjaro UK: Side Effects and Tolerability

Side effect profiles are similar when comparing Wegovy vs Mounjaro UK treatments, as both are incretin-based therapies. The most common adverse effects include nausea, diarrhoea, vomiting, constipation, and abdominal discomfort, typically occurring during dose escalation and diminishing over time [1][2]. Approximately 5-10% of trial participants discontinued due to gastrointestinal intolerance.

Mounjaro's dual-agonist mechanism may produce slightly higher rates of nausea initially, though this varies by individual [3]. Rare but serious risks include pancreatitis, gallbladder disease, and thyroid C-cell tumours (seen in rodent studies; human relevance uncertain). Both medications are contraindicated in patients with personal or family history of medullary thyroid carcinoma or Multiple Endocrine Neoplasia syndrome type 2. UK prescribers conduct thorough medical history assessments before approving treatment, and ongoing monitoring ensures early detection of adverse events.

Managing Side Effects: Wegovy vs Mounjaro UK Guidance

Effective side effect management improves adherence for both Wegovy vs Mounjaro UK patients. Starting with smaller meals, avoiding high-fat foods, staying hydrated, and injecting at consistent times can reduce nausea and gastrointestinal upset. If side effects persist beyond the first month at a given dose, our clinical team may recommend holding at the current dose longer before escalating, or adjusting lifestyle factors. Always report severe or persistent symptoms to your prescriber, as dose modification or treatment discontinuation may be necessary.

Wegovy vs Mounjaro UK: Cost and Availability

Cost is a decisive factor when comparing Wegovy vs Mounjaro UK options. At Cured Pharmacy, Mounjaro is available from £124.99 per four-week supply, while Wegovy starts from £20 offering a more affordable entry point for many patients. Both prices include UK-registered clinical consultation, prescription, and discreet next-day delivery across the UK.

Availability has fluctuated due to global demand, but Cured Pharmacy maintains consistent stock of both treatments through direct partnerships with licensed UK wholesalers. Transparent upfront pricing means patients know exact costs before completing the online consultation, with no hidden fees. New patients can Save £20 off their first order using code Weightlossnew, making either treatment more accessible. All pricing is subject to prescriber approval following clinical assessment.

Which Offers Better Value: Wegovy vs Mounjaro UK?

Determining better value in the Wegovy vs Mounjaro UK comparison depends on individual weight loss goals and budget. Mounjaro's higher efficacy (up to 22.5% weight loss) may justify the additional cost for patients seeking maximum results, while Wegovy's lower price point and proven 15-17% average weight loss offer excellent outcomes at competitive UK pricing. Our superintendent pharmacist, Tarun Kumar (GPhC 2233073), advises patients to consider both clinical suitability and long-term affordability when choosing between these treatments.

Wegovy vs Mounjaro UK: Which Should You Choose?

Choosing between Wegovy vs Mounjaro UK treatments requires personalised clinical evaluation. Mounjaro may be preferred for patients seeking the highest possible weight loss and who tolerate the dual-agonist mechanism well, while Wegovy offers proven efficacy at a lower cost with extensive real-world safety data [1][2]. Both are suitable first-line options for adults meeting BMI criteria and without contraindications.

Your decision should be guided by a UK-registered prescriber who reviews your medical history, current medications, weight loss goals, and budget. At Cured Pharmacy, our online consultation takes under three minutes and connects you with experienced clinicians who provide tailored recommendations. Whether you choose Wegovy or Mounjaro, ongoing support, transparent pricing, and genuine UK-licensed medicines ensure you receive the highest standard of care throughout your weight loss journey.

Scientific References

  1. Wilding, J. P. H., 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]
  2. 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]
  3. Frías, J. P., Davies, M. J., Rosenstock, J., et al. (2021). Tirzepatide versus semaglutide once weekly in patients with type 2 diabetes (SURPASS-2): a randomised, open-label, phase 3 trial. The Lancet, 398(10295), 64-77. [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

Is Mounjaro better than Wegovy for weight loss in the UK?
Clinical trials show Mounjaro users achieved up to 22.5% weight loss compared to Wegovy's 15-17%, though individual results vary and both require prescription assessment.
Can I switch from Wegovy to Mounjaro or vice versa?
Yes, switching between Wegovy vs Mounjaro UK treatments is possible under prescriber guidance, typically with a dose adjustment period to ensure tolerability and efficacy.
Which is cheaper: Wegovy or Mounjaro in the UK?
Wegovy is more affordable at Cured Pharmacy, starting from £124.99 compared to Mounjaro from £124.99, both including consultation and next-day delivery.
Do Wegovy and Mounjaro have the same side effects?
Both share similar gastrointestinal side effects like nausea and diarrhoea, though individual tolerance varies; Mounjaro's dual mechanism may produce slightly higher initial nausea rates.
How quickly do Wegovy vs Mounjaro UK treatments work?
Appetite suppression typically begins within one week for both medications, with progressive weight loss over 16-20 weeks as doses are escalated to maintenance levels.
Are Wegovy and Mounjaro available on the NHS?
NHS availability is limited and subject to strict eligibility criteria; private prescriptions through UK-registered pharmacies like Cured Pharmacy offer faster, guaranteed access.
Can I use Wegovy and Mounjaro together?
No, combining Wegovy vs Mounjaro UK treatments is not recommended due to overlapping mechanisms and increased risk of adverse effects; use one treatment at a time under prescriber supervision.
Which is safer: Wegovy or Mounjaro?
Both have similar safety profiles when used appropriately; contraindications include personal/family history of medullary thyroid carcinoma, and both require ongoing clinical monitoring.
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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