Mounjaro vs Saxenda Single Pen UK | Cured Pharmacy

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Cheapest Mounjaro vs Saxenda UK Price £124.99

Compare Mounjaro and Saxenda at the cheapest UK price from £124.99 plus £20 off your first order 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

£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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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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Mounjaro vs Saxenda Single Pen - Choose Your Dose

Published on: June 03, 2026

Choosing between mounjaro vs saxenda single pen uk options requires understanding how each medication works, their dosing schedules, and which aligns with your weight loss goals. At Cured Pharmacy, we offer both treatments with transparent upfront pricing, free clinical consultations under three minutes, and expert guidance from our UK-registered clinical team led by Superintendent Pharmacist Tarun Kumar (GPhC 2233073).

Understanding Mounjaro vs Saxenda: Key Differences

Mounjaro (tirzepatide) and Saxenda (liraglutide) are both injectable weight loss medications licensed by the MHRA in the UK, but they work through fundamentally different mechanisms. Mounjaro is the first dual GIP/GLP-1 receptor agonist, activating two natural hormone pathways that regulate appetite and blood sugar metabolism [1]. Saxenda, by contrast, is a single GLP-1 receptor agonist that has been available in the UK since 2015 [2].

The dual-action mechanism of Mounjaro has demonstrated superior weight loss outcomes in head-to-head clinical trials. In the SURPASS-2 study, participants on tirzepatide 15mg achieved an average 12.4kg weight reduction compared to 6.2kg with semaglutide 1mg over 40 weeks [1]. Saxenda clinical trials showed average weight loss of 8-9% of initial body weight over 56 weeks [2].

Dosing frequency differs significantly between the two treatments. Mounjaro requires one subcutaneous injection per week, whilst Saxenda must be administered daily. This weekly versus daily schedule often influences patient preference and long-term adherence, particularly for those with busy lifestyles or needle anxiety.

Mounjaro Single Pen Dosing and Titration

Each Mounjaro KwikPen contains four doses of the same strength, designed for once-weekly administration. The standard UK titration schedule begins at 2.5mg weekly for four weeks, then increases to 5mg for the next four weeks [3]. Your prescriber may continue escalating the dose every four weeks (7.5mg, 10mg, 12.5mg, up to a maximum of 15mg) based on your weight loss response and tolerability.

Single-pen purchasing allows flexibility during the initial titration phase. Some patients experience significant weight loss and appetite suppression at lower doses and may not require escalation to higher strengths. Others benefit from gradual dose increases to optimise results whilst minimising gastrointestinal side effects such as nausea or diarrhoea [3].

At Cured Pharmacy, Mounjaro starts from £124.99 per pen, with pricing varying by prescribed strength. All prescriptions require a free online clinical assessment by a UK-registered prescriber, completed in under three minutes through our secure platform.

Who Should Consider Mounjaro?

Mounjaro is typically prescribed for adults with a BMI of 30 or above, or 27 or above with at least one weight-related comorbidity such as type 2 diabetes, hypertension, or obstructive sleep apnoea [3]. The medication is contraindicated in pregnancy, for those with a personal or family history of medullary thyroid carcinoma, and in patients with multiple endocrine neoplasia syndrome type 2. Your UK prescriber will assess your full medical history during consultation to ensure suitability.

Saxenda Single Pen Dosing and Daily Use

Saxenda pens contain 18mg of liraglutide and are designed for daily subcutaneous injection. The standard UK titration schedule begins at 0.6mg daily for the first week, increasing by 0.6mg each week until reaching the maintenance dose of 3mg daily by week five [2]. Each pen delivers 30 doses when used at the 0.6mg level, but fewer doses at higher strengths.

The daily injection requirement means patients need a consistent routine and must plan for regular pen replacements. A single Saxenda pen typically lasts six days once the maintenance dose of 3mg is reached. This differs markedly from the weekly convenience of Mounjaro, though some patients prefer the daily dosing as it provides more frequent reinforcement of their weight loss commitment [4].

Saxenda is priced from £135.00 at Cured Pharmacy, making it a lower initial investment compared to weekly injectable alternatives. However, the daily dosing requirement means monthly costs should be calculated based on the number of pens needed to maintain your prescribed dose. Your UK prescriber will provide a clear treatment plan during your free consultation.

Who Should Consider Saxenda?

Saxenda is licensed for adults with a BMI of 30 or above, or 27 or above with weight-related comorbidities [2]. It has a longer track record in UK clinical practice than Mounjaro, with extensive real-world safety data accumulated since 2015. Patients who prefer daily dosing for psychological reinforcement, those who have previously used GLP-1 medications, or individuals seeking a lower starting price point may find Saxenda well-suited to their needs. As with all prescription treatments, suitability is determined by a UK prescriber following clinical assessment.

Feature Mounjaro (Tirzepatide) Saxenda (Liraglutide)
Active Ingredient Tirzepatide (dual GIP/GLP-1) Liraglutide (GLP-1 only)
Injection Frequency Once weekly Once daily
Starting Dose 2.5mg weekly 0.6mg daily
Maintenance Dose 5mg-15mg weekly 3mg daily
Average Weight Loss Up to 22.5% (72 weeks) Up to 8% (56 weeks)
Price at Cured Pharmacy From £124.99 From £124.99
Doses Per Pen 4 weekly doses 6 days at 3mg dose
UK Licence Since 2023 2015

Side Effects: What to Expect with Each Treatment

Both Mounjaro and Saxenda belong to the incretin mimetic class and share a similar side effect profile, with gastrointestinal symptoms being most common. Nausea, diarrhoea, constipation, vomiting, and abdominal discomfort affect approximately 20-40% of patients during initial titration [1][2]. These effects typically diminish as your body adjusts to the medication, particularly when dose escalation follows the recommended schedule.

Mounjaro's weekly dosing may produce a more gradual onset of side effects compared to Saxenda's daily injections, though individual experiences vary considerably. In SURPASS trials, discontinuation rates due to adverse events ranged from 4.3% to 7.1% across different tirzepatide doses [1]. Saxenda trials reported discontinuation rates of approximately 9.9% due to gastrointestinal side effects [2].

Serious but rare side effects include pancreatitis, gallbladder disease, and hypoglycaemia (particularly in patients taking other glucose-lowering medications). Both medications carry a boxed warning regarding thyroid C-cell tumours observed in rodent studies, though no causal relationship has been established in humans [3][4]. Report any severe abdominal pain, persistent vomiting, or signs of allergic reaction to your prescriber immediately.

Clinical Evidence: Mounjaro vs Saxenda Effectiveness

Direct comparison trials between tirzepatide and liraglutide are limited, but individual trial data provides clear efficacy benchmarks. The SURMOUNT-1 trial demonstrated that participants on tirzepatide 15mg achieved an average 22.5% reduction in body weight over 72 weeks [5]. The SCALE Obesity and Prediabetes trial showed liraglutide 3mg (Saxenda) produced an average 8% body weight reduction over 56 weeks [2].

These results suggest Mounjaro may deliver approximately 2.5 to 3 times greater weight loss than Saxenda in clinical trial populations, though real-world outcomes depend on individual factors including baseline BMI, adherence, dietary modifications, and physical activity levels [5][2]. Neither medication is a standalone solution—both work optimally when combined with a reduced-calorie diet and increased exercise programme.

Cardiovascular outcomes data exists for liraglutide, with the LEADER trial demonstrating reduced risk of major adverse cardiovascular events in patients with type 2 diabetes [6]. Tirzepatide cardiovascular outcomes trials are ongoing, with results expected in the coming years. Your UK prescriber will consider your complete medical profile, including cardiovascular risk factors, when recommending treatment.

Long-Term Weight Maintenance Considerations

Both medications require ongoing use to maintain weight loss, with clinical evidence showing significant weight regain after discontinuation [5][2]. Treatment duration should be discussed with your prescriber based on your weight loss goals, response to therapy, and tolerance of side effects. NICE guidance recommends discontinuing treatment if less than 5% weight loss is achieved after 12 weeks at the maintenance dose, though individual clinical circumstances may warrant different approaches.

Choosing Between Mounjaro and Saxenda Single Pens

Your decision between Mounjaro and Saxenda should be guided by several factors: your weight loss goals, tolerance for injection frequency, budget considerations, previous experience with GLP-1 medications, and your prescriber's clinical recommendation. Patients seeking maximum weight loss efficacy and who prefer weekly dosing may find Mounjaro more suitable, whilst those wanting a lower initial cost with established long-term safety data may prefer Saxenda.

Single-pen purchasing offers flexibility during the initial treatment phase. You can assess your response to the starting dose, evaluate side effect tolerance, and adjust your treatment plan with your prescriber before committing to larger quantities. This approach is particularly valuable for first-time users of injectable weight loss medications who want to ensure compatibility before long-term commitment.

At Cured Pharmacy, our UK-registered clinical team provides personalised guidance during your free consultation. Superintendent Pharmacist Tarun Kumar and our prescribers assess your medical history, current medications, weight loss objectives, and lifestyle factors to recommend the most appropriate treatment. All consultations are conducted securely online, typically completed in under three minutes, with discreet packaging and genuine UK-licensed medicines guaranteed.

Starting Your Weight Loss Journey at Cured Pharmacy

Begin by completing our confidential online consultation, which covers your medical history, current health status, previous weight loss attempts, and treatment preferences. A UK-registered prescriber will review your assessment, and if approved, your medication is dispensed by our GPhC-registered pharmacy (9012511) with discreet next-day delivery available. We offer transparent upfront pricing with no hidden consultation fees—the price you see is the price you pay. Our clinical team remains available for ongoing support throughout your treatment journey.

Scientific References

  1. Frías, 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. https://doi.org/10.1056/NEJMoa2107519 [accessed 13 August 2026]
  2. Pi-Sunyer, X., Astrup, A., Fujioka, K., et al. (2015). A Randomized, Controlled Trial of 3.0 mg of Liraglutide in Weight Management. New England Journal of Medicine, 373(1), 11–22. https://doi.org/10.1056/NEJMoa1411892 [accessed 13 August 2026]
  3. Electronic Medicines Compendium. (2023). Mounjaro 2.5 mg solution for injection in pre-filled pen – Summary of Product Characteristics. Retrieved from https://www.medicines.org.uk/emc/product/14298 [accessed 13 August 2026]
  4. Electronic Medicines Compendium. (2023). Saxenda 6 mg/ml solution for injection in pre-filled pen – Summary of Product Characteristics. Retrieved from https://www.medicines.org.uk/emc/product/2313 [accessed 13 August 2026]
  5. 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 [accessed 13 August 2026]
  6. Marso, S. P., Daniels, G. H., Brown-Frandsen, K., et al. (2016). Liraglutide and Cardiovascular Outcomes in Type 2 Diabetes. New England Journal of Medicine, 375(4), 311–322. https://doi.org/10.1056/NEJMoa1603827 [accessed 13 August 2026]
  7. NHS. (2026). Tirzepatide: a medicine to manage type 2 diabetes and treat obesity. https://www.nhs.uk/medicines/tirzepatide/ Accessed 13 August 2026.
  8. NHS. (2026). Overweight and obesity in adults. https://www.nhs.uk/conditions/overweight-and-obesity/ Accessed 13 August 2026.
  9. NHS England. (2026). Weight management injections. https://www.england.nhs.uk/ourwork/prevention/obesity/medicines-for-obesity/weight-management-injections/ Accessed 13 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. Individual results may vary, and weight loss outcomes depend on adherence to treatment, dietary modifications, and lifestyle changes.

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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."

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Faq

Which is better for weight loss: Mounjaro or Saxenda?
Clinical trial data suggests Mounjaro produces greater average weight loss (up to 22.5% versus 8% in respective trials), though individual results vary based on adherence, diet, exercise, and metabolic factors. Your UK prescriber will recommend the most suitable option based on your medical profile and treatment goals.
Can I switch from Saxenda to Mounjaro?
Yes, switching between GLP-1 medications is possible under prescriber guidance. Your clinician will determine the appropriate starting dose of Mounjaro based on your current Saxenda dose and treatment response, typically beginning with the standard 2.5mg weekly titration schedule.
How much does a single Mounjaro pen cost in the UK?
Mounjaro single pens start from £124.99 at Cured Pharmacy, with pricing varying by prescribed strength. All purchases require a free clinical consultation with a UK-registered prescriber to ensure suitability and determine your appropriate dose.
How long does a Saxenda pen last at the maintenance dose?
At the maintenance dose of 3mg daily, a single Saxenda pen lasts approximately six days. Each pen contains 18mg of liraglutide, delivering 30 doses at 0.6mg but fewer doses at higher strengths.
Do I need a prescription for Mounjaro or Saxenda?
Yes, both Mounjaro and Saxenda are prescription-only medicines in the UK. At Cured Pharmacy, you'll complete a free online clinical assessment reviewed by a UK-registered prescriber before any medication is dispensed.
What are the most common side effects of Mounjaro vs Saxenda?
Both medications commonly cause gastrointestinal side effects including nausea, diarrhoea, constipation, and abdominal discomfort, particularly during initial titration. These effects typically diminish as your body adjusts to treatment.
Can I use Mounjaro or Saxenda if I have type 2 diabetes?
Yes, both medications are suitable for patients with type 2 diabetes, though dose adjustments of other glucose-lowering medications may be required to prevent hypoglycaemia. Your prescriber will review all current medications during consultation to ensure safe co-administration.
How quickly will I see weight loss results with Mounjaro vs Saxenda?
Most patients begin experiencing appetite suppression within the first week of treatment, with measurable weight loss typically evident by week 4-8. Optimal results occur over several months when combined with dietary modifications and increased physical activity.
Is Mounjaro more effective than Saxenda for weight loss in the UK?
Clinical trials show Mounjaro typically delivers greater average weight loss than Saxenda, with some patients losing up to 20% of body weight compared to 5-10% with Saxenda. Cured Pharmacy's prescribers can assess which treatment suits your individual health profile and weight loss goals during your online consultation.
How does the price of Mounjaro vs Saxenda single pen compare in the UK?
Mounjaro starts from £124.99 per pen at Cured Pharmacy, while Saxenda typically costs around £150-£180 per pen depending on the supplier. Although Mounjaro may offer better value per dose due to once-weekly administration versus Saxenda's daily injections, your prescriber will recommend the most suitable option for your budget and medical needs.
Can I switch from Saxenda to Mounjaro through Cured Pharmacy?
Yes, many patients switch from Saxenda to Mounjaro for enhanced weight loss results. Cured Pharmacy's UK-registered prescribers will review your Saxenda treatment history and current health status during your consultation to ensure a safe transition to Mounjaro with the appropriate starting dose.
Which is easier to use - Mounjaro or Saxenda single pen?
Mounjaro requires just one injection per week, making it more convenient than Saxenda which requires daily injections. Both use pre-filled single-use pens, but Mounjaro's weekly dosing often improves adherence and lifestyle compatibility for busy patients ordering through Cured Pharmacy.
Does Mounjaro have fewer side effects than Saxenda?
Both Mounjaro and Saxenda share similar side effects like nausea, diarrhoea, and reduced appetite, though individual tolerance varies. Some patients report better tolerability with Mounjaro's weekly dosing versus Saxenda's daily injections, and Cured Pharmacy's prescribers can discuss side effect management strategies during your consultation.
Tarun Kumar, Prescribing Pharmacist

Medically reviewed by

Tarun Kumar, Prescribing Pharmacist (GPhC 2233073)

Reviewed on: June 03, 2026

Last reviewed: 13 August 2026

Last updated on 13 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 13 August 2026

Content checked and updated as part of our periodic review, to ensure accuracy and currentness.

Current version (13 August 2026)

Edited by: The Editorial Team

Medically reviewed by:

Tarun Kumar, GPhC No. 2233073, Prescribing Pharmacist


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