Mounjaro vs Wegovy UK - Compare Prices & Effectiveness

Clinically Proven UK Registered Pharmacy

Mounjaro vs Wegovy - Compare UK Prices & Effectiveness

Compare Mounjaro and Wegovy at the cheapest UK prices from £124.99 — Save £20 with code Weightlossnew.

UK-registered clinical team
Confidential and secure
No GP visit needed
Next-day delivery included — no hidden costs or surprise charges
Start Your Free Consultation

Takes less than 2 minutes to complete 100% online

Weightlossnew £20 off for new customers

Treatment from £124.99

Genuine Products
UK-licensed only
Fast Delivery
Next-day available
Expert Advice
UK pharmacists
Woman using Cured Pharmacy online consultation for weight loss treatment

Check your BMI

Height 175 cm
Weight 82 kg

Your BMI

26.8
Start Free Consultation

Free · BMI thresholds shown are illustrative. Final eligibility is confirmed by a UK prescriber during your free consultation.

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
Start Consultation
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
Start Consultation
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
Start Consultation
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
Start Consultation
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
Start Consultation
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
Start Consultation
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
Start Consultation
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
Start Consultation
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
Start Consultation
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
Start Consultation
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
Start Consultation
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
Start Consultation
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
Start Consultation
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
Start Consultation
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
Start Consultation

Mounjaro vs Wegovy: Which Weight Loss Treatment Is More Effective?

When comparing mounjaro vs wegovy, clinical trial data reveals important differences in effectiveness, mechanism of action, and weight loss outcomes. Both medications represent the most advanced prescription weight loss treatments available in the UK, yet they work through distinct pathways and deliver different results. Understanding these evidence-based differences helps patients and prescribers make informed decisions tailored to individual health profiles and weight loss goals.

How Mounjaro vs Wegovy Work: Mechanism of Action Compared

The fundamental difference in mounjaro vs wegovy lies in their receptor activity. Mounjaro (tirzepatide) is a dual GIP/GLP-1 receptor agonist, meaning it activates both glucose-dependent insulinotropic polypeptide and glucagon-like peptide-1 receptors [1]. This dual action enhances insulin secretion, reduces glucagon release, slows gastric emptying, and significantly suppresses appetite through central nervous system pathways.

Wegovy (semaglutide) functions as a selective GLP-1 receptor agonist, targeting only the GLP-1 pathway [2]. Whilst highly effective, this single-receptor mechanism provides a more focused approach compared to Mounjaro's dual-action system. Both medications mimic natural gut hormones that regulate blood sugar and appetite, but tirzepatide's additional GIP activity appears to amplify metabolic benefits and weight reduction beyond GLP-1 alone.

Clinical Trial Results: Mounjaro vs Wegovy Effectiveness Data

Head-to-head mounjaro vs wegovy efficacy data from the SURPASS and STEP trials demonstrates measurable differences in weight loss outcomes. In the SURMOUNT-1 trial, Mounjaro participants achieved average weight loss of 15-21% of initial body weight over 72 weeks, depending on dose (5mg, 10mg, or 15mg weekly) [1]. The highest dose delivered a mean reduction of 20.9% body weight in adults with obesity.

Wegovy clinical trials (STEP programme) showed participants lost an average of 10-15% of body weight over 68 weeks on the 2.4mg weekly maintenance dose [2]. Whilst this represents substantial and clinically significant weight reduction, Mounjaro's dual-receptor mechanism consistently delivered 5-6 percentage points greater weight loss in comparative analyses. Both treatments significantly outperform older weight loss medications and lifestyle intervention alone.

Real-World Effectiveness Beyond Clinical Trials

Real-world evidence supports the mounjaro vs wegovy trial findings. UK prescribers report that patients on Mounjaro maintenance doses (10-15mg) typically experience more pronounced appetite suppression and faster initial weight loss compared to Wegovy 2.4mg [3]. However, individual response varies considerably based on metabolic health, adherence, dietary patterns, and concurrent medications. Both treatments require ongoing clinical monitoring and lifestyle modification to optimise outcomes and maintain weight loss long-term.

Side Effects Profile: Mounjaro vs Wegovy Tolerability

When evaluating mounjaro vs wegovy side effects, both medications share a similar gastrointestinal adverse event profile due to their GLP-1 activity. The most commonly reported side effects include nausea (affecting 20-44% of users), vomiting, diarrhoea, constipation, and abdominal discomfort [1][2]. These effects typically occur during dose escalation and often diminish as the body adapts to treatment.

Mounjaro's dual-receptor mechanism may produce slightly higher rates of gastrointestinal side effects compared to Wegovy, particularly at higher doses (15mg weekly) [3]. However, the difference is modest and both medications follow gradual dose titration schedules specifically designed to minimise adverse events. Serious side effects are rare but include pancreatitis risk, gallbladder problems, and potential thyroid concerns. All patients require thorough prescriber assessment and ongoing monitoring throughout treatment.

Managing Side Effects During Treatment

UK prescribers recommend several strategies to manage mounjaro vs wegovy side effects effectively. Starting with the lowest dose and following the prescribed escalation schedule allows gradual tolerance development. Eating smaller, more frequent meals, avoiding high-fat foods, and staying well-hydrated significantly reduce nausea and gastrointestinal discomfort. If side effects become intolerable, dose adjustment or temporary pause under prescriber guidance may be necessary before continuing treatment.

Feature Mounjaro (Tirzepatide) Wegovy (Semaglutide)
Mechanism Dual GIP/GLP-1 agonist GLP-1 agonist only
Average Weight Loss 15-21% body weight 10-15% body weight
Starting Dose 2.5mg weekly 0.25mg weekly
Maintenance Dose 5mg, 10mg, or 15mg weekly 2.4mg weekly
Titration Period 8-20 weeks 16-20 weeks
Common Side Effects Nausea, vomiting, diarrhoea Nausea, vomiting, diarrhoea
Administration Weekly subcutaneous injection Weekly subcutaneous injection
UK Price (Cured Pharmacy) From £145.00/month From £89.00/month
Clinical Trials SURMOUNT programme STEP programme
Prescription Required Yes - UK prescriber assessment Yes - UK prescriber assessment

Dosing Schedule: Mounjaro vs Wegovy Administration Compared

The mounjaro vs wegovy dosing protocols differ in escalation speed and maximum maintenance dose. Mounjaro begins at 2.5mg weekly for four weeks, then increases to 5mg, with further escalation to 10mg or 15mg based on individual response and tolerability [1]. This relatively rapid titration allows patients to reach therapeutic doses within 8-20 weeks depending on target maintenance level.

Wegovy follows a more gradual escalation: 0.25mg weekly for four weeks, then 0.5mg, 1mg, 1.7mg, and finally 2.4mg maintenance dose over approximately 16-20 weeks [2]. This slower titration schedule may improve tolerability for patients particularly sensitive to gastrointestinal effects. Both medications are administered via subcutaneous injection once weekly, using pre-filled single-dose pens for convenient self-administration at home.

Cost Comparison: Mounjaro vs Wegovy UK Pricing

When comparing mounjaro vs wegovy cost in the UK, pricing varies by dose and supplier. At Cured Pharmacy, Mounjaro is available from £124.99 per month, whilst Wegovy starts from £124.99 monthly [4]. The price difference reflects manufacturing costs, market positioning, and dose strength variations between the two medications.

However, cost-effectiveness analysis should consider weight loss outcomes alongside price. Mounjaro's higher average weight loss (15-21%) compared to Wegovy (10-15%) may justify the additional cost for patients seeking maximum effectiveness [1][2]. Both treatments require long-term commitment for sustained results, and total treatment cost over 12-24 months represents a significant investment. Cured Pharmacy offers transparent upfront pricing and £20 off first orders with code Weightlossnew, making both options accessible to UK patients subject to prescriber approval.

Value for Money Considerations

Evaluating mounjaro vs wegovy value requires balancing effectiveness, tolerability, and budget. For patients who respond well to Wegovy and achieve their weight loss goals, the lower price point offers excellent value. Those requiring maximum weight reduction or who have not achieved adequate results with GLP-1-only treatments may find Mounjaro's dual-action mechanism worth the additional investment. UK prescribers can guide individualised treatment selection based on clinical history, BMI, comorbidities, and financial considerations during the online consultation process.

Which Treatment to Choose: Mounjaro vs Wegovy Suitability

Deciding between mounjaro vs wegovy depends on multiple clinical and personal factors. Mounjaro may be more suitable for patients with higher baseline BMI (≥35), those with type 2 diabetes requiring enhanced glycaemic control, or individuals who have not achieved adequate weight loss with GLP-1-only treatments [3]. The dual-receptor mechanism offers theoretical advantages for metabolic health beyond weight reduction alone.

Wegovy represents an excellent first-line option for patients new to GLP-1 therapy, those with BMI 30-35, or individuals prioritising cost-effectiveness with proven substantial weight loss results [2]. The established safety profile from years of semaglutide use (including Ozempic for diabetes) provides reassurance for both patients and prescribers. Both medications require prescription following clinical assessment by a UK-registered prescriber, who will evaluate medical history, current medications, contraindications, and individual treatment goals.

Personalised Treatment Selection at Cured Pharmacy

At Cured Pharmacy, our UK-registered clinical team conducts thorough online assessments to determine mounjaro vs wegovy suitability for each patient. Superintendent pharmacist Tarun Kumar (GPhC 2233073) and our prescribers review your complete medical profile, weight loss history, and treatment preferences before recommending the most appropriate option. The consultation takes under three minutes, and all genuine UK-licensed medications are dispensed with complete discretion and next-day delivery available. Both treatments require ongoing monitoring, and our clinical team remains available for dose adjustments and side effect management 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. [accessed 15 August 2026]
  2. Wilding, J. P., 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]
  3. Frias, 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 trial. The Lancet, 398(10295), 143-155. [accessed 15 August 2026]
  4. Cured Pharmacy. (2025). Weight loss treatment pricing and availability. Retrieved from https://curedpharmacy.com/collections/weight-loss [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."

How it Works?

Select from our recommended UK-licensed medications.

1

Choose your treatment

Step 1: Choose your treatment from Cured Pharmacy

Select safe UK treatments. Quick answers.

2

Answer quick questions

Step 2: Answer quick consultation questions

We will deliver direct to you as quickly as tomorrow.

3

Get it delivered fast

Step 3: Fast discreet delivery to your door

Start Your Assessment For Weight Loss

Start your journey to better health today.

  • Reviewed by UK-based prescribers
  • Takes under 3 minutes
  • Discreet Packaging

Start Your Journey To Better Health Today

Once you complete a short online assessment you will be able to choose your preferred treatment from safe medically approved options tailored to you.

Start My Assessment

Returning Customer?

Log in to Your Account

Faq

Is Mounjaro more effective than Wegovy for weight loss?
Clinical trial data shows Mounjaro delivers greater average weight loss (15-21%) compared to Wegovy (10-15%) due to its dual GIP/GLP-1 receptor mechanism. Individual results vary based on adherence, lifestyle factors, and metabolic health.
Can I switch from Wegovy to Mounjaro if not losing enough weight?
Yes, switching from Wegovy to Mounjaro is possible under prescriber supervision. Your UK clinician will assess your response to Wegovy, current health status, and determine appropriate Mounjaro starting dose to optimise safety and effectiveness during transition.
Which has fewer side effects, Mounjaro or Wegovy?
Both mounjaro and wegovy share similar gastrointestinal side effect profiles (nausea, vomiting, diarrhoea). Mounjaro may produce slightly higher rates at maximum doses, but individual tolerability varies considerably and both follow gradual titration to minimise adverse events.
How long does it take to see results with Mounjaro vs Wegovy?
Most patients notice appetite suppression within 1-2 weeks of starting either medication. Measurable weight loss typically begins within 4-6 weeks, with maximum effects achieved after reaching maintenance dose and continuing treatment for 6-12 months alongside lifestyle modification.
Are Mounjaro and Wegovy available on the NHS?
NHS availability is extremely limited due to supply constraints and strict eligibility criteria. Most UK patients access mounjaro vs wegovy through private prescription from registered online pharmacies like Cured Pharmacy, which offer transparent pricing and rapid access following clinical assessment.
Do I need to stay on Mounjaro or Wegovy forever?
Weight loss medications typically require long-term use to maintain results, as discontinuation often leads to weight regain. Your prescriber will discuss treatment duration goals, maintenance strategies, and potential tapering approaches based on your individual progress and health objectives.
Can I take Mounjaro and Wegovy together for faster weight loss?
No, combining mounjaro and wegovy is not recommended and potentially unsafe due to overlapping GLP-1 activity and increased risk of severe side effects. UK prescribers will select the single most appropriate medication based on your clinical profile and weight loss needs.
Which is better for type 2 diabetes, Mounjaro or Wegovy?
Mounjaro is licensed for type 2 diabetes treatment (unlike Wegovy, which is weight loss only) and demonstrates superior HbA1c reduction due to dual GIP/GLP-1 action. Patients with both obesity and diabetes often benefit most from Mounjaro's combined metabolic effects.
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


How we source info.

When we present you with stats, data, opinion or a consensus, we'll tell you where this came from.