Mounjaro vs Wegovy vs Ozempic UK | Cured Pharmacy

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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 £135.00

£36.25 / 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 £169.00

£44.75 / 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 £210.00

£55.00 / 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 £235.00

£61.25 / 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 £260.00

£67.50 / 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 £277.00

£71.75 / 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 £79.00

£22.25 / 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 £99.00

£27.25 / 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 £109.00

£29.75 / 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 £159.00

£42.25 / 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 £189.00

£49.75 / 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

£20.75 / Per Week

Your starting dose – eases your body into treatment with minimal side effects

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Wegovy (Oral Pill)
Weeks 5–8

4mg

1 pen • 4 Weeks

£110.00

£27.50 / Per Week

First step up – continues building tolerance for long-term success

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Wegovy (Oral Pill)
Weeks 9–12

9mg

1 pen • 4 Weeks

£140.00

£35.00 / Per Week

Mid-range dose – where most patients start seeing meaningful results

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Wegovy (Oral Pill)
Weeks 13+

25mg

1 pen • 4 Weeks

£199.00

£49.75 / Per Week

Maximum dose – the highest available strength for optimal weight management

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Mounjaro vs Wegovy vs Ozempic: UK Pharmacist's Comparison Guide

Understanding the mounjaro vs wegovy vs ozempic uk comparison is essential when choosing a weight loss injection. As a UK-registered pharmacy with thousands of patients successfully treated, we've prepared this comprehensive guide comparing these three MHRA-licensed medications to help you make an informed decision with your prescriber.

How Each Medication Works: The Key Differences

Mounjaro contains tirzepatide, the UK's first dual GIP/GLP-1 receptor agonist, activating two separate hormone pathways that regulate appetite and blood sugar [1]. This dual mechanism distinguishes it fundamentally from Wegovy and Ozempic, both of which contain semaglutide—a single GLP-1 receptor agonist.

Ozempic was originally licensed by the MHRA for type 2 diabetes management at doses up to 1mg weekly, though it's increasingly prescribed off-label for weight management [2]. Wegovy uses the same active ingredient (semaglutide) but at higher doses—up to 2.4mg weekly—and holds a specific UK licence for chronic weight management in adults with a BMI of 30 kg/m² or above, or 27 kg/m² with weight-related comorbidities [3].

The dual-action mechanism in Mounjaro produces more pronounced effects on satiety and glucose metabolism compared to single-pathway GLP-1 agonists, which explains the differences in clinical trial outcomes we'll examine below [1].

Clinical Trial Results: Mounjaro vs Wegovy vs Ozempic Weight Loss

In the landmark SURPASS-2 trial, participants taking the highest Mounjaro dose (15mg weekly) achieved an average 22.5% total body weight reduction over 72 weeks—significantly higher than the semaglutide comparator group [1]. The SURMOUNT-1 trial, which specifically examined tirzepatide for weight management, demonstrated average reductions of 15.0%, 19.5%, and 20.9% for the 5mg, 10mg, and 15mg doses respectively [4].

By comparison, the STEP trials evaluating Wegovy showed that participants on 2.4mg semaglutide weekly achieved an average 14.9% body weight reduction over 68 weeks [3]. Ozempic trials at the 1mg diabetes-licensed dose showed average weight reductions of approximately 6-7%, though higher doses used off-label may approach Wegovy's efficacy [2].

These are average results from controlled trials—individual responses vary considerably based on adherence, lifestyle modifications, baseline metabolism, and genetic factors. Your UK prescriber will discuss realistic expectations during your clinical assessment.

Time to Results

Most patients notice appetite suppression within the first 1-2 weeks of starting any GLP-1 treatment, though measurable weight loss typically becomes evident after 4-8 weeks [1][3]. Mounjaro, Wegovy, and Ozempic all require gradual dose escalation over several months to minimise gastrointestinal side effects whilst achieving the target maintenance dose.

Dosing Schedules and Administration

All three medications are administered via subcutaneous injection, but their dosing schedules differ. 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 tolerance and response [1]. The KwikPen device delivers pre-set doses, eliminating the need for manual dose adjustment.

Wegovy follows a five-month escalation: 0.25mg weekly for four weeks, then 0.5mg, 1mg, 1.7mg, and finally 2.4mg weekly as the maintenance dose [3]. Ozempic typically starts at 0.25mg weekly for four weeks, increasing to 0.5mg, with optional escalation to 1mg for diabetes management [2].

Injection technique is identical across all three treatments—administered into the abdomen, thigh, or upper arm using single-use pre-filled pens. Patients rotate injection sites weekly to prevent lipohypertrophy. At Cured Pharmacy, our clinical team provides detailed injection guidance during your consultation.

Feature Mounjaro Wegovy Ozempic
Active Ingredient Tirzepatide Semaglutide Semaglutide
Mechanism Dual GIP/GLP-1 agonist GLP-1 agonist GLP-1 agonist
Dosing Frequency Once weekly Once weekly Once weekly
Maximum Dose 15mg weekly 2.4mg weekly 1mg weekly (2mg off-label)
Average Weight Loss Up to 22.5% (72 weeks) Up to 14.9% (68 weeks) 6-7% at 1mg dose
UK Licence Weight management Weight management Type 2 diabetes
Starting Price From £145 From £89 Varies by indication
Escalation Period 4-20 weeks 16-20 weeks 4-8 weeks

Side Effects: What to Expect from Each Treatment

Gastrointestinal side effects are the most common across all three medications, occurring in 30-50% of patients during dose escalation [1][3]. Nausea, diarrhoea, constipation, and abdominal discomfort typically diminish after 4-8 weeks as the body adapts to treatment.

Mounjaro's dual-agonist mechanism may produce slightly higher rates of nausea and vomiting compared to semaglutide-based treatments during initial escalation, though most patients find these manageable with dietary adjustments [1]. Wegovy and Ozempic show similar side effect profiles, with nausea being the most frequently reported adverse event [2][3].

Serious but rare side effects include pancreatitis, gallbladder disease, and hypoglycaemia (particularly in patients taking other glucose-lowering medications). All three medications carry warnings about thyroid C-cell tumours based on rodent studies, though no causal link has been established in humans [1][2][3]. Your prescriber will review your complete medical history to identify any contraindications before prescribing.

Managing Side Effects

Eating smaller, more frequent meals, avoiding high-fat foods, and staying well-hydrated significantly reduce gastrointestinal symptoms. If side effects become intolerable, your prescriber may slow the dose escalation schedule or adjust to a lower maintenance dose. Never adjust your dose without consulting your UK prescriber first.

Cost Comparison: Mounjaro vs Wegovy vs Ozempic UK Pricing

At Cured Pharmacy, transparent upfront pricing means you'll see exact costs before completing your consultation. Mounjaro is available from £135.00 per month, reflecting the advanced dual-agonist formulation and higher manufacturing costs [1]. Wegovy starts from £10 offering competitive UK pricing for this established semaglutide treatment [3].

Ozempic pricing varies depending on whether it's prescribed for diabetes management or weight loss. When prescribed off-label for weight management, costs are typically comparable to Wegovy. NHS prescription availability differs—Ozempic may be available on NHS prescription for type 2 diabetes, whilst Wegovy has limited NHS availability through specialist weight management services only [2][3].

Private prescription costs reflect several factors: active ingredient, dose strength, manufacturing complexity, and UK supply chain dynamics. At Cured Pharmacy, we guarantee the lowest prices in the UK for genuine MHRA-licensed medications, with no hidden consultation fees or membership charges.

Which Treatment Is Right for You? Mounjaro vs Wegovy vs Ozempic

Choosing between these medications depends on your medical history, weight loss goals, previous treatment responses, and budget. Mounjaro may be preferred for patients seeking maximum efficacy and who haven't responded adequately to single-agonist GLP-1 treatments [1]. The dual-mechanism approach offers advantages for those with significant metabolic dysfunction or higher starting BMI.

Wegovy represents an excellent first-line option with robust clinical evidence, established safety data, and more accessible pricing [3]. It's particularly suitable for patients new to GLP-1 therapy who want a well-studied treatment with predictable results. Ozempic may be appropriate for patients with concurrent type 2 diabetes or those who respond well to lower semaglutide doses [2].

Your UK prescriber will assess your BMI, medical history, current medications, and any contraindications during your free online consultation. They'll recommend the most appropriate treatment based on NICE guidelines and MHRA licensing, ensuring safe, effective prescribing tailored to your individual circumstances. All three medications require commitment to dietary modifications and increased physical activity for optimal results.

Starting Your Treatment Journey

At Cured Pharmacy, our UK-registered clinical team led by Superintendent Pharmacist Tarun Kumar (GPhC 2233073) provides comprehensive support throughout your weight loss journey. Your free consultation takes under three minutes, with prescriptions issued the same day subject to clinical approval. We dispense only genuine UK-licensed medications with discreet, trackable delivery to your door.

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. https://doi.org/10.1056/NEJMoa2206038
  2. Davies, M., Pieber, T. R., Hartoft-Nielsen, M. L., et al. (2017). Effect of Oral Semaglutide Compared With Placebo and Subcutaneous Semaglutide on Glycemic Control in Patients With Type 2 Diabetes. JAMA, 318(15), 1460–1470. https://doi.org/10.1001/jama.2017.14752
  3. 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. https://doi.org/10.1056/NEJMoa2032183
  4. Garvey, W. T., Frias, J. P., Jastreboff, A. M., et al. (2023). Tirzepatide once weekly for the treatment of obesity in people with type 2 diabetes (SURMOUNT-2): a double-blind, randomised, multicentre, placebo-controlled, phase 3 trial. The Lancet, 402(10402), 613–626. https://doi.org/10.1016/S0140-6736(23)01200-X

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. Individual results may vary, and weight loss outcomes depend on adherence to treatment, dietary modifications, and lifestyle changes.

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Faq

Is Mounjaro better than Wegovy for weight loss?
Clinical trials show Mounjaro produces greater average weight loss (up to 22.5%) compared to Wegovy (14.9%), though individual responses vary. Your UK prescriber will recommend the most suitable treatment based on your medical history and goals.
Can I switch from Ozempic to Mounjaro or Wegovy?
Yes, switching between GLP-1 treatments is possible under prescriber supervision. Your clinician will determine appropriate starting doses and monitor your response during the transition to ensure safe, effective treatment.
Why is Ozempic cheaper than Wegovy if they contain the same ingredient?
Ozempic is licensed for diabetes at lower doses (up to 1mg), whilst Wegovy is specifically formulated for weight management at higher doses (up to 2.4mg). Licensing, dosing, and manufacturing specifications affect pricing structures.
How long do I need to take Mounjaro, Wegovy, or Ozempic?
These are long-term treatments typically continued as long as they remain effective and well-tolerated. Clinical trials studied treatment durations of 68-72 weeks, though many patients continue beyond this period under medical supervision.
Do Mounjaro vs Wegovy vs Ozempic have different side effects?
All three cause similar gastrointestinal side effects (nausea, diarrhoea, constipation), though Mounjaro's dual mechanism may produce slightly higher rates during initial escalation. Most side effects diminish within 4-8 weeks.
Can I get Mounjaro, Wegovy, or Ozempic on the NHS?
NHS availability is limited. Ozempic may be prescribed for type 2 diabetes, whilst Wegovy has restricted availability through specialist weight management services only. Mounjaro NHS access is currently very limited for weight management.
Which works fastest: Mounjaro vs Wegovy vs Ozempic?
Appetite suppression typically begins within 1-2 weeks for all three medications, with measurable weight loss evident after 4-8 weeks. Mounjaro's dual mechanism may produce slightly faster initial results in some patients.
Are Mounjaro, Wegovy, and Ozempic safe for long-term use?
Clinical trials up to 72 weeks demonstrate good safety profiles for all three medications when used under medical supervision. Long-term safety beyond two years is still being studied, which is why ongoing prescriber monitoring is essential.