Is Wegovy the Same as Mounjaro? UK Comparison Guide

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Cheapest Wegovy vs Mounjaro UK - Compare Prices

Compare Wegovy and Mounjaro at the cheapest UK price from £124.99 - Save £20 off 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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Is Wegovy the Same as Mounjaro? Understanding the Key Differences

Is Wegovy the same as Mounjaro? This is one of the most common questions we receive at Cured Pharmacy, and the short answer is no - whilst both are highly effective injectable weight loss treatments licensed in the UK, they contain different active ingredients and work through distinct mechanisms. Wegovy contains semaglutide, a GLP-1 receptor agonist, whilst Mounjaro contains tirzepatide, a dual GIP/GLP-1 receptor agonist, making it the first treatment of its kind approved for weight management.

Is Wegovy the Same as Mounjaro? The Active Ingredient Difference

The fundamental difference when asking 'is Wegovy the same as Mounjaro' lies in their active pharmaceutical ingredients. Wegovy contains semaglutide at doses up to 2.4mg weekly, a glucagon-like peptide-1 (GLP-1) receptor agonist that mimics the natural hormone GLP-1 to regulate appetite and blood sugar levels [1]. Mounjaro, conversely, contains tirzepatide at doses up to 15mg weekly, which activates both GLP-1 and glucose-dependent insulinotropic polypeptide (GIP) receptors simultaneously [2].

This dual-action mechanism in Mounjaro represents a significant pharmacological advancement. Whilst semaglutide in Wegovy acts solely on GLP-1 receptors to slow gastric emptying and reduce appetite, tirzepatide's additional GIP receptor activation may enhance insulin secretion and improve fat metabolism more comprehensively [2]. Both medications require subcutaneous injection once weekly, but their distinct molecular structures mean they are definitively not the same treatment, despite sharing similar therapeutic goals.

From a regulatory perspective, both treatments are MHRA-licensed in the UK specifically 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 following clinical assessment. Our superintendent pharmacist Tarun Kumar (GPhC 2233073) ensures all prescriptions meet strict UK clinical guidelines before dispensing either medication.

Chemical Structure: Why Wegovy and Mounjaro Are Not the Same

At the molecular level, semaglutide (Wegovy) and tirzepatide (Mounjaro) have entirely different chemical structures, which is why the answer to 'is Wegovy the same as Mounjaro' is definitively no. Semaglutide is a modified GLP-1 analogue with 94% structural homology to native human GLP-1, designed for once-weekly dosing through specific amino acid substitutions and fatty acid side-chain additions [1]. Tirzepatide, meanwhile, is a novel dual agonist peptide engineered to bind both GIP and GLP-1 receptors with carefully balanced affinities [2].

These structural differences translate to distinct pharmacokinetic profiles. Wegovy reaches peak plasma concentration approximately 1-3 days post-injection with a half-life of about one week, whilst Mounjaro demonstrates a similar half-life of roughly five days but with different receptor binding kinetics [3]. Patients sometimes experience different tolerability profiles between the two medications precisely because they are not the same compound, despite both being administered as weekly injections.

Clinical Efficacy: Is Wegovy the Same as Mounjaro for Weight Loss Results?

When comparing clinical trial outcomes, the question 'is Wegovy the same as Mounjaro' extends to their effectiveness profiles. The STEP clinical trial programme for Wegovy demonstrated an average weight loss of 15-17% of initial body weight over 68 weeks in participants without type 2 diabetes [1]. In the landmark SURMOUNT-1 trial, Mounjaro participants achieved average weight reductions of 15-22.5% depending on the dose (5mg to 15mg weekly) over 72 weeks [4].

Whilst both treatments produce clinically significant weight loss, Mounjaro's dual receptor mechanism may offer marginally greater efficacy at higher doses, with the 15mg tirzepatide dose showing superior results compared to semaglutide 2.4mg in head-to-head comparisons [4]. However, individual responses vary considerably, and the 'best' treatment depends on personal tolerability, medical history, and prescriber assessment rather than trial averages alone.

At Cured Pharmacy, we've supported thousands of patients through their weight loss journeys with both medications. Our clinical team conducts thorough online assessments to determine suitability, considering factors like previous treatment responses, existing medical conditions, and individual weight loss goals. Both Wegovy and Mounjaro require ongoing clinical monitoring and lifestyle modifications for optimal results.

Side Effects Profile: Is Wegovy the Same as Mounjaro in Terms of Tolerability?

The side effect profiles provide another perspective on whether Wegovy is the same as Mounjaro. Both medications commonly cause gastrointestinal symptoms including nausea, diarrhoea, vomiting, and constipation, particularly during dose escalation phases [1][2]. These effects typically diminish over time as the body adjusts, but their frequency and severity can differ between individuals and between the two treatments.

Clinical trial data suggests that nausea occurs in approximately 44% of Wegovy users and 29-39% of Mounjaro users depending on dose, though direct comparison is complicated by different trial populations and methodologies [1][4]. Some patients who experience intolerable side effects with one medication may tolerate the other better, precisely because they are not the same compound and interact with receptors differently.

Rare but serious risks include pancreatitis, gallbladder disease, and potential thyroid C-cell tumours (seen in rodent studies but not confirmed in humans). Both medications carry similar black box warnings and are contraindicated in patients with personal or family history of medullary thyroid carcinoma or Multiple Endocrine Neoplasia syndrome type 2 [1][2]. Our prescribers carefully screen for these contraindications during the online consultation process before approving either treatment.

Managing Side Effects: Practical Differences Between Wegovy and Mounjaro

In clinical practice, the question 'is Wegovy the same as Mounjaro' often comes down to how patients manage side effects. Both require gradual dose titration - Wegovy escalates from 0.25mg to 2.4mg over 16-20 weeks, whilst Mounjaro increases from 2.5mg to a maintenance dose (typically 5mg, 10mg, or 15mg) over 8-20 weeks [1][2]. This slower escalation helps minimise gastrointestinal symptoms.

Patients switching between treatments should never do so without prescriber guidance, as the medications are not interchangeable despite treating the same condition. Each requires its own titration schedule, and abrupt switching can increase side effect risk or reduce efficacy. Our clinical team at Cured Pharmacy provides ongoing support throughout treatment, with prescribers available to adjust dosing schedules based on individual tolerability.

Feature Wegovy Mounjaro
Active Ingredient Semaglutide Tirzepatide
Mechanism GLP-1 receptor agonist Dual GIP/GLP-1 receptor agonist
Maximum Dose 2.4mg weekly 15mg weekly
Average Weight Loss 15-17% over 68 weeks 15-22.5% over 72 weeks
Starting Price at Cured Pharmacy From £89.00/month From £145.00/month
Injection Frequency Once weekly Once weekly
MHRA Licensed for Weight Loss Yes Yes
NHS Availability Very limited Under evaluation for weight loss

Dosing and Administration: Is Wegovy the Same as Mounjaro in How You Take Them?

Both Wegovy and Mounjaro are administered as once-weekly subcutaneous injections, typically in the abdomen, thigh, or upper arm, but their pre-filled pen devices and dosing increments differ [1][2]. Wegovy pens deliver fixed doses (0.25mg, 0.5mg, 1mg, 1.7mg, or 2.4mg), with patients progressing through different strength pens as they titrate upward. Mounjaro uses a single-dose pen design available in six strengths (2.5mg, 5mg, 7.5mg, 10mg, 12.5mg, and 15mg), offering more granular dose adjustment options.

The injection technique is similar for both medications - patients self-administer after brief training, and the pens are designed for ease of use with minimal preparation required. Both should be stored in the refrigerator between 2-8°C until use, though unopened pens can typically be kept at room temperature for limited periods as specified in the patient information leaflet [1][2].

When patients ask 'is Wegovy the same as Mounjaro' regarding convenience, both require the same weekly injection commitment, but some find one pen design more intuitive than the other. At Cured Pharmacy, we provide comprehensive injection training resources and ongoing support to ensure patients feel confident administering either medication safely at home.

UK Pricing and Availability: Is Wegovy the Same as Mounjaro Cost-Wise?

Cost is often a decisive factor when patients ask 'is Wegovy the same as Mounjaro', and pricing differs considerably between the two treatments in the UK private market. At Cured Pharmacy, Wegovy is available from £124.99 per month (subject to prescriber approval following online assessment), representing the cheapest UK price for this treatment with transparent upfront pricing before consultation.

Mounjaro pricing starts from £124.99 per month at Cured Pharmacy, reflecting its position as a newer, dual-action medication with potentially greater efficacy at higher doses. Both treatments require ongoing monthly prescriptions, as they are intended for long-term weight management rather than short-term use, and discontinuation typically results in weight regain [4][5].

New patients can Save £20 off their first order with code Weightlossnew, making either treatment more accessible initially. We guarantee the lowest prices in the UK market whilst maintaining full regulatory compliance - all medications are UK-licensed, sourced from approved wholesalers, and dispensed by our GPhC-registered pharmacy (9012511) following prescriber approval. Unlike some providers, we show prices before you complete the consultation, ensuring complete transparency.

Insurance and NHS Availability: Are Wegovy and Mounjaro the Same in Terms of Access?

NHS availability represents another dimension of whether Wegovy is the same as Mounjaro for UK patients. Wegovy received NICE approval for NHS prescription in March 2023, but access remains extremely limited due to supply constraints and strict eligibility criteria (typically BMI ≥35 with weight-related complications, via specialist weight management services only) [6]. Mounjaro received NICE approval for type 2 diabetes but is still under evaluation for weight management indication on the NHS as of 2024.

Most UK patients seeking either medication currently access them through private prescription, where clinical eligibility criteria are similar but availability is immediate subject to prescriber approval. Our online consultation process takes under 3 minutes, with UK-registered prescribers reviewing submissions typically within 24 hours. Both treatments require the same level of clinical oversight regardless of whether obtained privately or via NHS, ensuring patient safety remains paramount.

Which Should You Choose? Is Wegovy the Same as Mounjaro for Your Needs?

The final answer to 'is Wegovy the same as Mounjaro' is clearly no - they are distinct medications with different active ingredients, mechanisms, efficacy profiles, and costs. Choosing between them depends on multiple factors including your weight loss goals, medical history, budget, previous treatment responses, and prescriber recommendation following thorough clinical assessment.

Patients who have previously used semaglutide-based treatments (like Ozempic for diabetes) may already know their tolerability for that class of medication, potentially making Wegovy a logical choice. Those seeking the potentially higher efficacy demonstrated in trials, particularly at higher doses, might prefer Mounjaro despite the higher cost. However, individual responses vary significantly, and trial averages don't predict individual outcomes [4][5].

At Cured Pharmacy, our UK-registered clinical team considers your complete medical profile during the online consultation to recommend the most appropriate treatment. We never push one medication over another based on cost - our priority is clinical suitability and patient safety. Both Wegovy and Mounjaro represent evidence-based, MHRA-licensed options for chronic weight management when used alongside reduced-calorie diet and increased physical activity, as demonstrated in their respective clinical trial programmes [1][4].

Starting your weight loss journey begins with a free online consultation taking under 3 minutes. Our prescribers will assess your eligibility for either Wegovy or Mounjaro, discuss your preferences and medical history, and approve the most suitable treatment if clinically appropriate. With discreet next-day delivery, ongoing prescriber support, and the lowest UK prices guaranteed, Cured Pharmacy makes accessing these transformative treatments straightforward and affordable.

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. Frias, J. P., Davies, M. J., Rosenstock, J., et al. (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. Nauck, M. A., & D'Alessio, D. A. (2022). Tirzepatide, a dual GIP/GLP-1 receptor co-agonist for the treatment of type 2 diabetes with unmatched effectiveness regrading glycaemic control and body weight reduction. Cardiovascular Diabetology, 21(1), 169. [accessed 15 August 2026]
  4. 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]
  5. Rubino, D., Abrahamsson, N., Davies, M., et al. (2021). Effect of continued weekly subcutaneous semaglutide vs placebo on weight loss maintenance in adults with overweight or obesity. JAMA, 325(14), 1414-1425. [accessed 15 August 2026]
  6. National Institute for Health and Care Excellence. (2023). Semaglutide for managing overweight and obesity [TA875]. NICE. [accessed 15 August 2026]
  7. NHS. (2026). Tirzepatide: a medicine to manage type 2 diabetes and treat obesity. https://www.nhs.uk/medicines/tirzepatide/ Accessed 15 August 2026.
  8. NHS. (2026). Overweight and obesity in adults. https://www.nhs.uk/conditions/overweight-and-obesity/ Accessed 15 August 2026.
  9. 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.

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"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."

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"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!"

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Faq

Is Wegovy the same as Mounjaro?
No, Wegovy and Mounjaro are not the same - Wegovy contains semaglutide (a GLP-1 agonist) whilst Mounjaro contains tirzepatide (a dual GIP/GLP-1 agonist), making them chemically and mechanistically distinct treatments despite both being used for weight loss.
Which is more effective, Wegovy or Mounjaro?
Clinical trials suggest Mounjaro may produce slightly greater average weight loss (up to 22.5%) compared to Wegovy (15-17%), particularly at higher doses, though individual responses vary and both are highly effective when used as prescribed.
Can I switch from Wegovy to Mounjaro or vice versa?
Switching between Wegovy and Mounjaro requires prescriber supervision, as they are not interchangeable medications and each requires its own titration schedule. Never switch without consulting your prescriber first, as this may increase side effect risk.
Is Wegovy the same as Mounjaro in terms of side effects?
Both medications share similar gastrointestinal side effects (nausea, diarrhoea, vomiting), but frequencies differ slightly, and some patients tolerate one better than the other because they are chemically different compounds with distinct receptor interactions.
Which is cheaper in the UK, Wegovy or Mounjaro?
Wegovy is significantly cheaper, starting from £124.99 per month at Cured Pharmacy compared to Mounjaro from £124.99 per month. Both prices include prescriber assessment and UK next-day delivery.
Do Wegovy and Mounjaro require a prescription in the UK?
Yes, both are prescription-only medications requiring clinical assessment by a UK-registered prescriber. At Cured Pharmacy, our online consultation takes under 3 minutes, with prescribers reviewing submissions typically within 24 hours.
Are Wegovy and Mounjaro available on the NHS?
Wegovy has very limited NHS availability through specialist services only, whilst Mounjaro is licensed for diabetes but still under NICE evaluation for weight management. Most UK patients currently access both via private prescription.
How long do I need to take Wegovy or Mounjaro?
Both are intended for long-term use as part of chronic weight management, as discontinuation typically leads to weight regain. Treatment duration should be discussed with your prescriber based on individual response and goals.
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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