Is Wegovy As Good As Mounjaro? UK Comparison & Prices

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Wegovy vs Mounjaro - Compare Prices & Cheapest UK Option

Compare Wegovy and Mounjaro at the cheapest UK price with £20 off using code Weightlossnew.

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£145.00 From £124.99 £20 discount using discount 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 As Good As Mounjaro? A UK Pharmacist's Clinical Comparison

Is Wegovy as good as Mounjaro for achieving meaningful weight loss? As a UK-registered pharmacy with thousands of patients successfully treated, we're frequently asked this question by individuals navigating the expanding landscape of GLP-1 receptor agonist therapies. Both medications represent significant advances in obesity management, yet they differ fundamentally in mechanism, efficacy profile, and clinical outcomes—differences that matter when choosing the right treatment under prescriber guidance.

Is Wegovy As Good As Mounjaro? Understanding the Core Difference

When asking is Wegovy as good as Mounjaro, the starting point is understanding what each medication actually does. Wegovy contains semaglutide, a GLP-1 receptor agonist that mimics a single gut hormone to regulate appetite and blood sugar [1]. Mounjaro, by contrast, contains tirzepatide—a dual GIP/GLP-1 receptor agonist that activates two separate hormone pathways simultaneously [2]. This dual mechanism gives Mounjaro a theoretical advantage in metabolic impact, though both medications require careful titration under UK prescriber supervision.

In our clinical experience at Cured Pharmacy, patients often assume these treatments work identically because both are weekly injections for weight management. However, the dual agonist profile of tirzepatide has translated into measurably different outcomes in head-to-head trials. The SURPASS-2 study directly compared tirzepatide against semaglutide 1mg in type 2 diabetes patients, demonstrating superior weight reduction with tirzepatide across all dose levels [3]. While Wegovy uses a higher 2.4mg semaglutide dose than tested in SURPASS-2, the mechanistic difference remains clinically relevant for UK patients considering either option.

Clinical Trial Evidence: Is Wegovy As Good As Mounjaro for Weight Loss?

The question is Wegovy as good as Mounjaro is best answered by examining robust trial data rather than anecdotal reports. The STEP 1 trial showed Wegovy (semaglutide 2.4mg) achieved an average weight loss of 14.9% over 68 weeks in adults with obesity [1]. Impressive results, certainly—but the SURMOUNT-1 trial evaluating Mounjaro demonstrated average weight reductions of 15.0%, 19.5%, and 20.9% with tirzepatide 5mg, 10mg, and 15mg respectively over 72 weeks [4]. These figures suggest Mounjaro's higher doses deliver statistically superior outcomes compared to Wegovy's maximum approved strength.

It's essential to contextualise these percentages for UK patients. A 20.9% weight loss in a 100kg individual equates to approximately 21kg reduction—a clinically transformative outcome that may reduce cardiovascular risk factors and improve mobility. Wegovy's 14.9% average remains highly effective, representing roughly 15kg loss in the same patient. Both medications require adherence to structured lifestyle programmes, and individual responses vary considerably. Our superintendent pharmacist Tarun Kumar (GPhC 2233073) emphasises that prescriber selection between these agents depends on patient-specific factors including comorbidities, tolerance, and treatment goals rather than trial averages alone.

Direct Comparison Data: What SURPASS-2 Revealed

The SURPASS-2 trial remains the only head-to-head comparison directly addressing is Wegovy as good as Mounjaro, albeit using semaglutide 1mg rather than Wegovy's 2.4mg dose [3]. Over 40 weeks, tirzepatide 15mg produced 5.5kg greater weight loss than semaglutide 1mg in type 2 diabetes patients. While we cannot extrapolate these exact figures to Wegovy's higher dose, the consistent pattern across SURMOUNT trials—where even tirzepatide 5mg matched or exceeded semaglutide outcomes—suggests a pharmacological advantage rooted in dual receptor activation. UK prescribers weigh this evidence alongside patient preference, cost considerations, and individual metabolic profiles when recommending treatment through services like Cured Pharmacy's clinical assessment pathway.

Side Effect Profiles: Is Wegovy As Good As Mounjaro for Tolerability?

Tolerability significantly influences treatment success, making is Wegovy as good as Mounjaro a question of side effect burden as much as efficacy. Both medications share a common adverse effect profile dominated by gastrointestinal symptoms—nausea, vomiting, diarrhoea, and constipation—reflecting their action on gut hormone receptors [1][2]. In STEP 1, approximately 44% of Wegovy users experienced nausea, while SURMOUNT-1 reported nausea rates of 31-38% across tirzepatide doses [4]. These figures suggest broadly comparable tolerability, though individual experiences vary widely.

From our dispensing experience with thousands of UK weight loss patients, we observe that gradual dose escalation—standard protocol for both medications—substantially mitigates side effects. Wegovy follows a five-step titration from 0.25mg to 2.4mg over 16-20 weeks, whilst Mounjaro escalates from 2.5mg to a maximum 15mg over a similar timeframe. Patients frequently ask our clinical team whether one medication causes less nausea; the evidence suggests neither holds a clear advantage, and prescriber guidance on dietary modifications (smaller meals, avoiding high-fat foods) proves more influential than drug choice alone. Both treatments require UK prescriber monitoring for rare but serious risks including pancreatitis and gallbladder disease.

Feature Wegovy Mounjaro
Active Ingredient Semaglutide Tirzepatide
Mechanism GLP-1 agonist Dual GIP/GLP-1 agonist
Average Weight Loss 14.9% (STEP 1) 20.9% at 15mg (SURMOUNT-1)
Dosing Frequency Once weekly Once weekly
Starting Dose 0.25mg 2.5mg
Maximum Dose 2.4mg 15mg
Nausea Incidence ~44% 31-38%
UK Price at Cured From £89.00 From £145.00
Regulatory Status MHRA-licensed MHRA-licensed

Dosing and Administration: Is Wegovy As Good As Mounjaro in Practical Use?

When evaluating is Wegovy as good as Mounjaro, practical administration factors influence real-world adherence. Both are once-weekly subcutaneous injections supplied in pre-filled pens, making them equally convenient for home use. Wegovy pens deliver fixed doses (0.25mg, 0.5mg, 1mg, 1.7mg, or 2.4mg), while Mounjaro pens similarly contain single-dose amounts (2.5mg, 5mg, 7.5mg, 10mg, 12.5mg, or 15mg). Injection technique is identical—patients administer into abdomen, thigh, or upper arm—and neither requires refrigeration after first use for up to 21 days (Mounjaro) or 28 days (Wegovy), though both must be stored refrigerated before initial use [1][2].

The dosing schedules differ slightly in clinical practice. Wegovy's escalation typically spans 16 weeks to reach the 2.4mg maintenance dose, whereas Mounjaro's protocol may extend to 20 weeks when titrating to 15mg, depending on individual tolerance and prescriber judgement. UK patients receiving either medication through Cured Pharmacy undergo initial clinical assessment to determine appropriate starting doses, with ongoing prescriber review ensuring safe progression. Neither medication demonstrates superiority in ease of use—the choice hinges on the prescriber's clinical rationale rather than administration convenience.

Injection Site Reactions and Patient Feedback

Injection site reactions (redness, swelling, itching) occur in approximately 2-3% of patients using either Wegovy or Mounjaro, representing a minor concern that rarely necessitates discontinuation [1][4]. Our patient feedback at Cured Pharmacy indicates both pen devices are well-tolerated, with the pre-filled design eliminating dosing errors common with multi-dose vials. Patients appreciate the discreet packaging we provide for both medications, ensuring privacy during home delivery. When considering is Wegovy as good as Mounjaro from a usability standpoint, the answer is they perform equivalently—the clinical decision rests on efficacy and metabolic factors rather than device ergonomics.

Cost Comparison UK: Is Wegovy As Good As Mounjaro for Value?

The financial dimension of is Wegovy as good as Mounjaro matters significantly for UK patients funding treatment privately, as NHS provision remains limited to specific criteria. At Cured Pharmacy, Wegovy is priced from £124.99 per month, whilst Mounjaro starts at £124.99 monthly—a substantial difference reflecting market positioning and supply dynamics [5]. New patients benefit from £20 off their first order using code Weightlossnew, improving initial affordability. These transparent prices include clinical consultation, prescriber assessment, and discreet UK delivery, contrasting with some providers who obscure costs until late in the process.

When weighing cost against efficacy, is Wegovy as good as Mounjaro becomes a value equation. Mounjaro's higher price reflects its superior average weight loss outcomes in trials—approximately 5-6 percentage points greater reduction at maximum doses compared to Wegovy [3][4]. For a patient seeking maximum weight loss and able to afford the premium, Mounjaro may justify the additional £124.99 monthly investment. Conversely, Wegovy delivers clinically significant results (average 14.9% weight loss) at a more accessible price point, making it an excellent choice for budget-conscious individuals or those trialling GLP-1 therapy for the first time. Our clinical team at Cured Pharmacy discusses these trade-offs during the online consultation, ensuring patients make informed decisions aligned with their financial and health priorities.

Which Should You Choose? Is Wegovy As Good As Mounjaro for Your Situation?

Ultimately, is Wegovy as good as Mounjaro depends on individual clinical context rather than a universal answer. Mounjaro demonstrates superior average weight loss in clinical trials, particularly at higher doses, making it the preferred option for patients requiring maximal metabolic intervention or those who have plateaued on semaglutide-based therapies [4]. Its dual GIP/GLP-1 mechanism may offer additional benefits for patients with type 2 diabetes or significant insulin resistance, though UK prescribers assess suitability case-by-case.

Wegovy remains an outstanding first-line choice for many UK patients. Its robust evidence base from the STEP trial programme, lower cost, and proven cardiovascular benefits (demonstrated in the SELECT trial) make it appropriate for individuals seeking effective weight management without the premium pricing of tirzepatide [1]. Patients with a BMI of 30+ (or 27+ with weight-related comorbidities) may qualify for either medication subject to prescriber approval through Cured Pharmacy's streamlined assessment process, which takes under three minutes to complete. Our UK-registered clinical team evaluates medical history, current medications, and treatment goals to recommend the most suitable option—whether that's Wegovy, Mounjaro, or an alternative like Saxenda.

The question is Wegovy as good as Mounjaro has no single correct answer applicable to all patients. Both medications represent evidence-based, MHRA-licensed treatments that have transformed obesity management in the UK. Our superintendent pharmacist Tarun Kumar advises patients to prioritise clinical guidance over online comparisons, as prescriber expertise in matching treatment to individual physiology determines success far more than trial averages. At Cured Pharmacy, we stock both medications at the cheapest UK prices, ensuring patients access their prescribed treatment without delay once clinical approval is granted.

Starting Your Weight Loss Journey at Cured Pharmacy

Whether you proceed with Wegovy or Mounjaro following prescriber consultation, Cured Pharmacy guarantees genuine UK-licensed medications, discreet packaging, and next-day delivery across the UK. Our GPhC-registered service (9012511) upholds the highest standards of patient safety, with every prescription reviewed by qualified clinicians before dispensing. New patients receive £20 off their first order with code Weightlossnew, and our transparent pricing—£124.99 for Wegovy, £124.99 for Mounjaro—appears upfront before consultation, eliminating hidden costs. To begin your clinical assessment and determine whether Wegovy or Mounjaro suits your weight loss goals, complete our three-minute online consultation today.

Scientific References

  1. Wilding, J. P., Batterham, R. L., Calanna, S., Davies, M., Van Gaal, L. F., Lingvay, I., ... & Kushner, R. F. (2021). Once-weekly semaglutide in adults with overweight or obesity. New England Journal of Medicine, 384(11), 989-1002.
  2. Frias, J. P., Davies, M. J., Rosenstock, J., Pérez Manghi, F. C., Fernández Landó, L., Bergman, B. K., ... & SURPASS-2 Investigators. (2021). Tirzepatide versus semaglutide once weekly in patients with type 2 diabetes. New England Journal of Medicine, 385(6), 503-515.
  3. Frías, J. P., Davies, M. J., Rosenstock, J., Pérez Manghi, F. C., Fernández Landó, L., Bergman, B. K., ... & SURPASS-2 Investigators. (2021). Tirzepatide versus semaglutide once weekly in patients with type 2 diabetes. New England Journal of Medicine, 385(6), 503-515.
  4. Jastreboff, A. M., Aronne, L. J., Ahmad, N. N., Wharton, S., Connery, L., Alves, B., ... & SURMOUNT-1 Investigators. (2022). Tirzepatide once weekly for the treatment of obesity. New England Journal of Medicine, 387(3), 205-216.
  5. Cured Pharmacy. (2025). Weight loss treatment pricing. Retrieved from https://curedpharmacy.com/collections/weight-loss

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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Faq

Is Wegovy as good as Mounjaro for weight loss results?
Clinical trials show Mounjaro achieves higher average weight loss (up to 20.9%) compared to Wegovy (14.9%), though both deliver clinically significant results. Individual outcomes vary based on adherence and metabolic factors.
Which is cheaper in the UK, Wegovy or Mounjaro?
Wegovy is more affordable at £124.99 per month compared to Mounjaro at £124.99 through Cured Pharmacy. New patients Save £20 with code Weightlossnew on first orders.
Is Wegovy as good as Mounjaro for reducing side effects?
Both medications share similar gastrointestinal side effect profiles, with nausea being most common. Neither demonstrates clear superiority in tolerability—individual experiences vary considerably.
Can I switch from Wegovy to Mounjaro if results plateau?
Yes, UK prescribers may recommend switching to Mounjaro if Wegovy produces insufficient weight loss after adequate trial duration. This requires new clinical assessment to ensure suitability.
Is Wegovy as good as Mounjaro for type 2 diabetes patients?
Mounjaro's dual mechanism may offer additional glycaemic benefits in diabetes patients, though both medications improve blood sugar control. Prescribers select treatment based on individual metabolic needs.
How quickly does Wegovy work compared to Mounjaro?
Both medications require 16-20 weeks of dose escalation before reaching maintenance levels. Significant weight loss typically becomes apparent after 12-16 weeks of treatment with either medication.
Do I need a prescription for Wegovy or Mounjaro in the UK?
Yes, both are prescription-only medications requiring clinical assessment by a UK-registered prescriber. Cured Pharmacy provides free online consultations as part of the dispensing process.
Is Wegovy as good as Mounjaro for long-term weight maintenance?
Both medications support long-term weight maintenance when used continuously alongside lifestyle modifications. Discontinuation typically results in weight regain with either treatment, necessitating ongoing prescriber-supervised use.
Tarun Kumar, Prescribing Pharmacist

Medically reviewed by

Tarun Kumar, Prescribing Pharmacist (GPhC 2233073)

Last reviewed: 29 July 2026