Ozempic vs Mounjaro UK: Which Works Best? | Cured

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Ozempic vs Mounjaro - Cheapest UK Price £124.99

Compare Ozempic and Mounjaro at the cheapest UK price from £124.99 plus £20 off your first order with code Weightlossnew.

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£145.00 From £124.99 £10 discount using discount code Weightlossnew
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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

£99 £79.00

£19.75 / Per Week

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

⭐ Future Orders at £99
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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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Ozempic vs Mounjaro UK Weight Loss

When comparing ozempic vs mounjaro uk weight loss options, understanding the clinical differences between these two injectable medications is essential for making an informed choice. At Cured Pharmacy, our UK-registered clinical team provides expert guidance on both tirzepatide (Mounjaro) and semaglutide-based treatments, helping you access the most appropriate prescription weight loss injection with transparent pricing from £124.99.

Ozempic vs Mounjaro UK: Understanding the Key Differences

Mounjaro contains tirzepatide, the UK's first dual GIP/GLP-1 receptor agonist, whilst Ozempic contains semaglutide, a single GLP-1 receptor agonist. Both medications are licensed by the MHRA, but their mechanisms differ significantly. Tirzepatide activates both glucose-dependent insulinotropic polypeptide (GIP) and glucagon-like peptide-1 (GLP-1) receptors, creating a dual pathway that enhances metabolic effects beyond traditional GLP-1 treatments [1].

In head-to-head clinical trials, tirzepatide demonstrated superior weight reduction compared to semaglutide. The SURPASS-2 trial showed that patients taking the highest dose of tirzepatide (15mg) achieved an average body weight reduction of 22.5% over 72 weeks, compared to 15.8% with semaglutide 1mg [1][2]. This dual-action mechanism may explain why Mounjaro often produces more substantial weight loss outcomes in clinical practice.

Both medications work by slowing gastric emptying, reducing appetite, and improving glycaemic control. However, the additional GIP receptor activation in Mounjaro appears to enhance fat metabolism and energy expenditure more effectively than GLP-1 agonism alone [1]. Your UK prescriber will assess which treatment aligns best with your medical history, weight loss goals, and tolerance profile during your consultation.

Clinical Efficacy: Which Injection Produces Better Weight Loss Results?

Clinical trial data provides clear evidence when comparing ozempic vs mounjaro uk effectiveness. In the landmark SURMOUNT-1 trial, adults without diabetes taking tirzepatide 15mg achieved an average weight reduction of 20.9% over 72 weeks, with 91% of participants losing at least 5% of their body weight [1]. By comparison, the STEP trials evaluating semaglutide 2.4mg (marketed as Wegovy rather than Ozempic) showed average weight loss of 14.9% over 68 weeks [2].

It's worth noting that Ozempic is licensed in the UK primarily for type 2 diabetes management at doses up to 1mg weekly, whilst Wegovy uses the same active ingredient (semaglutide) at a higher 2.4mg dose specifically licensed for weight management. Mounjaro is licensed for both diabetes and weight management at doses ranging from 2.5mg to 15mg weekly [3]. The higher efficacy seen with tirzepatide may be attributed to its dual receptor mechanism, though individual responses vary considerably.

Real-world outcomes often mirror clinical trial findings. In our experience at Cured Pharmacy, patients prescribed Mounjaro frequently report more pronounced appetite suppression and faster initial weight loss compared to semaglutide-based treatments, though both medications require commitment to dietary modifications and lifestyle changes for optimal results. Your UK prescriber will determine the most appropriate starting dose and titration schedule based on your individual circumstances.

Factors Influencing Treatment Choice

Choosing between these medications involves more than comparing efficacy data. Your prescriber will consider your baseline BMI, existing medical conditions, previous weight loss attempts, tolerance to gastrointestinal side effects, and budget. Patients with significant weight to lose may benefit more from Mounjaro's enhanced efficacy, whilst those seeking a well-established treatment with extensive safety data may prefer semaglutide-based options. Both treatments require weekly subcutaneous injections and gradual dose escalation to minimise side effects.

Side Effects and Tolerability: Ozempic vs Mounjaro UK Comparison

Both tirzepatide and semaglutide share similar side effect profiles, predominantly affecting the gastrointestinal system. The most commonly reported adverse effects include nausea, diarrhoea, vomiting, constipation, and abdominal discomfort [1][2]. These symptoms typically emerge during dose escalation and often diminish as your body adapts to the medication over several weeks.

In clinical trials, gastrointestinal side effects occurred slightly more frequently with tirzepatide than semaglutide, though most cases were mild to moderate in severity. Approximately 6-8% of participants discontinued Mounjaro due to adverse effects, compared to 4-7% with semaglutide [1][2]. However, the higher efficacy of tirzepatide may offset this slightly increased side effect burden for many patients seeking maximum weight loss.

Rare but serious side effects associated with both medications include pancreatitis, gallbladder disease, and potential thyroid C-cell tumours (observed in animal studies). Neither medication should be used in patients with a personal or family history of medullary thyroid carcinoma or multiple endocrine neoplasia syndrome type 2 [3][4]. Your UK prescriber will screen for contraindications during your clinical assessment and monitor you throughout treatment.

Managing Side Effects Effectively

Most gastrointestinal symptoms can be managed through dietary adjustments. We advise patients to eat smaller, more frequent meals, avoid high-fat foods, stay well-hydrated, and increase fibre intake gradually. Taking your injection on the same day each week and following the prescribed dose escalation schedule significantly reduces the likelihood of severe nausea. If side effects become intolerable, your prescriber may adjust your dose or recommend switching to an alternative treatment. Never increase your dose faster than prescribed, as this substantially increases side effect risk.

Feature Mounjaro (Tirzepatide) Wegovy (Semaglutide) Saxenda (Liraglutide)
Mechanism Dual GIP/GLP-1 agonist GLP-1 agonist GLP-1 agonist
Dosing Frequency Once weekly Once weekly Daily injection
Average Weight Loss Up to 22.5% (72 weeks) Up to 14.9% (68 weeks) Up to 8% (56 weeks)
Starting Dose 2.5mg weekly 0.25mg weekly 0.6mg daily
Maximum Dose 15mg weekly 2.4mg weekly 3mg daily
Starting Price at Cured From £124.99 From £124.99 From £124.99
MHRA Licence Diabetes & weight management Weight management Weight management

Dosing Schedules and Administration

Both Mounjaro and Ozempic are administered as once-weekly subcutaneous injections using pre-filled pens. Mounjaro is available in six dose strengths: 2.5mg, 5mg, 7.5mg, 10mg, 12.5mg, and 15mg. Treatment typically begins at 2.5mg weekly for four weeks, then increases by 2.5mg every four weeks until reaching your maintenance dose or maximum tolerated dose [3].

Ozempic for diabetes management starts at 0.25mg weekly for four weeks, increasing to 0.5mg weekly, with potential escalation to 1mg weekly if additional glycaemic control is needed. For weight management, patients are prescribed Wegovy (semaglutide 2.4mg), which follows a different titration schedule starting at 0.25mg and increasing monthly to the target 2.4mg dose [4]. The slower titration with Mounjaro may contribute to better tolerability during dose escalation.

Both medications can be injected into the abdomen, thigh, or upper arm, and the injection site should be rotated weekly. Injections can be administered at any time of day, with or without meals, though maintaining a consistent weekly schedule optimises efficacy. If you miss a dose and it's within four days of your scheduled injection, take it as soon as possible. If more than four days have passed, skip the missed dose and resume your regular schedule.

Cost Considerations: Mounjaro vs Ozempic UK Pricing

When evaluating ozempic vs mounjaro uk options, cost represents a significant consideration for most patients. At Cured Pharmacy, Mounjaro is available from £124.99 per pen, with pricing determined by your prescribed dose strength. Our transparent pricing model means you'll see exact costs before completing your clinical consultation, with no hidden fees or surprise charges.

Wegovy, which uses the same active ingredient as Ozempic at the higher weight-management dose, starts from £135.00 at Cured Pharmacy. For patients seeking more affordable options, we also offer Saxenda (liraglutide) from £135.00 though this requires daily rather than weekly injections. All prices include your medication, UK prescriber consultation, and discreet delivery to your home address.

It's important to view cost in the context of treatment efficacy and duration. Whilst Mounjaro carries a higher per-pen price, its superior weight loss outcomes may mean you achieve your goals faster or with greater success, potentially reducing overall treatment duration. Many patients find that investing in the most effective treatment option proves more cost-effective long-term than starting with less potent alternatives and switching later. Our clinical team can discuss all available options during your free consultation to identify the best value treatment for your circumstances.

Accessing Weight Loss Injections Through Cured Pharmacy

All prescription weight loss medications at Cured Pharmacy require a clinical assessment by our UK-registered prescribers. The online consultation takes under three minutes and covers your medical history, current medications, weight loss goals, and any contraindications. If approved, your medication is dispensed from our GPhC-registered pharmacy and delivered discreetly to your address. We offer ongoing support throughout your treatment, with prescribers available to adjust doses, manage side effects, or switch medications if needed. Starting your assessment is straightforward—simply select your preferred treatment and complete the confidential online questionnaire.

Making Your Choice: Which Treatment Is Right for You?

Choosing between Mounjaro and Ozempic (or Wegovy) depends on multiple factors beyond efficacy data. Patients with substantial weight to lose who can tolerate slightly higher side effect risks may benefit most from Mounjaro's dual-action mechanism and superior clinical outcomes. Those seeking a well-established treatment with extensive real-world safety data, or who have previously responded well to GLP-1 agonists, may prefer semaglutide-based options.

Your medical history plays a crucial role in treatment selection. Patients with type 2 diabetes may find particular benefit from Mounjaro's enhanced glycaemic control, whilst those with gastrointestinal sensitivities might tolerate semaglutide's slightly milder side effect profile better. Budget considerations, injection frequency preferences (both are weekly), and your response to previous weight loss attempts all inform the prescribing decision.

At Cured Pharmacy, our UK-registered clinical team evaluates your individual circumstances during your consultation to recommend the most appropriate treatment. We stock the full range of licensed weight loss injections, allowing your prescriber flexibility to select the optimal medication for your needs. If your initial treatment doesn't produce expected results or causes intolerable side effects, we can adjust your dose or switch medications without starting a new consultation. Our superintendent pharmacist, Tarun Kumar (GPhC 2233073), oversees all clinical decisions to ensure you receive safe, evidence-based care throughout your weight loss journey.

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. 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
  3. Medicines and Healthcare products Regulatory Agency. (2023). Mounjaro 2.5 mg solution for injection in pre-filled pen - Summary of Product Characteristics. MHRA. https://products.mhra.gov.uk/
  4. Medicines and Healthcare products Regulatory Agency. (2022). Wegovy 2.4 mg solution for injection in pre-filled pen - Summary of Product Characteristics. MHRA. https://products.mhra.gov.uk/

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 multiple factors including dietary adherence and lifestyle modifications.

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Faq

Is Mounjaro better than Ozempic for weight loss in the UK?
Clinical trials show Mounjaro (tirzepatide) produces greater average weight loss than semaglutide, with patients losing up to 22.5% body weight compared to 14.9% with semaglutide 2.4mg. However, individual responses vary, and your UK prescriber will recommend the most suitable treatment based on your medical history and goals.
Can I switch from Ozempic to Mounjaro?
Yes, switching between these medications is possible under prescriber supervision. Your clinician will determine the appropriate starting dose of Mounjaro based on your current semaglutide dose and response. A brief washout period is typically not required when transitioning between GLP-1 receptor agonists.
Which has worse side effects: Mounjaro or Ozempic?
Both medications share similar gastrointestinal side effects, though Mounjaro shows slightly higher rates of nausea and diarrhoea in clinical trials. Most side effects are mild to moderate and diminish over time. Your prescriber will monitor your tolerance and adjust treatment if needed.
How quickly will I see weight loss results with Mounjaro vs Ozempic?
Most patients notice appetite reduction within the first week of either treatment, with measurable weight loss typically beginning in weeks 2-4. Mounjaro often produces faster initial weight loss due to its dual mechanism, though both medications require several months to achieve maximum effects. Consistent dietary changes enhance results significantly.
Do I need a prescription for Mounjaro or Ozempic in the UK?
Yes, both medications are prescription-only medicines in the UK and require clinical assessment by a registered prescriber. At Cured Pharmacy, our UK clinical team provides free online consultations, with medication dispensed only after prescriber approval based on your individual suitability.
Can I use Ozempic instead of Wegovy for weight loss?
Ozempic is licensed for diabetes at doses up to 1mg weekly, whilst Wegovy uses the same ingredient (semaglutide) at 2.4mg weekly specifically for weight management. UK prescribers typically recommend Wegovy for weight loss as it's licensed for this indication at the therapeutic dose shown effective in clinical trials.
How long do I need to take Mounjaro or Ozempic?
Weight loss injections are typically long-term treatments. Clinical trials followed patients for 72 weeks, though many continue treatment beyond this to maintain weight loss. Stopping medication often results in weight regain, so your prescriber will discuss ongoing treatment plans and strategies for sustainable weight management alongside medication.
Are Mounjaro and Ozempic available on the NHS?
Availability through the NHS is limited and subject to strict eligibility criteria set by NICE. Many patients access these treatments privately through registered UK pharmacies like Cured Pharmacy for faster access and greater treatment flexibility. Private prescriptions allow your clinician to select the most appropriate medication for your individual needs.
Which is more effective for weight loss - Ozempic vs Mounjaro in the UK?
Clinical studies show Mounjaro typically delivers greater weight loss than Ozempic, with patients losing an average of 15-20% body weight on Mounjaro versus 10-15% on Ozempic. Cured Pharmacy can help you choose the right option based on your medical history and weight loss goals.
Is Mounjaro cheaper than Ozempic in the UK?
Mounjaro starts from £124.99 at Cured Pharmacy, while Ozempic pricing varies by dose. Both medications require similar prescriber consultations, but Mounjaro often provides better value due to its superior efficacy in clinical trials.
Can I switch from Ozempic to Mounjaro for weight loss in the UK?
Yes, many patients switch from Ozempic to Mounjaro to achieve enhanced weight loss results. Cured Pharmacy offers consultations with UK-registered prescribers who can safely guide your transition and determine the appropriate starting dose.
How long does delivery take when ordering Ozempic vs Mounjaro in the UK?
Cured Pharmacy offers next-day delivery on both Ozempic and Mounjaro across the UK when ordered before the daily cut-off time. All orders are dispatched discreetly with full tracking provided for your convenience.
Do I need a prescription to buy Mounjaro or Ozempic for weight loss in the UK?
Yes, both Mounjaro and Ozempic are prescription-only medications in the UK. Cured Pharmacy includes a free online consultation with a UK-registered prescriber who will assess your suitability and issue a prescription if appropriate.
Tarun Kumar, Prescribing Pharmacist

Medically reviewed by

Tarun Kumar, Prescribing Pharmacist (GPhC 2233073)

Last reviewed: 17 July 2026