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Cheapest Mounjaro or Mysimba UK Price From £124.99

Get the cheapest UK price on Mounjaro 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
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
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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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Mysimba vs Mounjaro: Choosing Your Weight Loss Treatment

Published on: June 03, 2026

When you buy Mysimba or Mounjaro from a UK pharmacy, you're choosing between two clinically proven but fundamentally different approaches to weight management. At Cured Pharmacy, our UK-registered clinical team helps you understand which treatment aligns with your health profile, lifestyle, and weight loss goals through a free online consultation that takes under three minutes.

How Mysimba and Mounjaro Work Differently

Mysimba contains a combination of naltrexone and bupropion, two medications that work centrally in the brain to reduce appetite and food cravings [1]. Unlike injectable treatments, Mysimba is taken as oral tablets with a gradual dose escalation over four weeks, reaching a maintenance dose of two tablets twice daily. The naltrexone component modulates the opioid reward pathways associated with eating behaviour, whilst bupropion affects dopamine and noradrenaline signalling to further suppress appetite.

Mounjaro contains tirzepatide, the first dual GIP/GLP-1 receptor agonist licensed by the MHRA for weight management in the UK [2]. Administered as a once-weekly subcutaneous injection, tirzepatide mimics two naturally occurring incretin hormones that regulate blood sugar levels, slow gastric emptying, and significantly reduce appetite. In the SURMOUNT-1 trial, participants achieved an average body weight reduction of up to 22.5% over 72 weeks on the highest dose, substantially exceeding results from single-pathway GLP-1 treatments [2].

The fundamental difference lies in mechanism and delivery: Mysimba works through neurotransmitter modulation in the central nervous system and requires daily oral administration, whilst Mounjaro acts peripherally through hormone receptor activation with weekly injections. Your UK prescriber will assess which mechanism suits your medical history, including any contraindications such as uncontrolled hypertension for Mysimba or personal history of medullary thyroid carcinoma for Mounjaro.

Clinical Evidence: Mysimba vs Mounjaro Weight Loss Results

The COR-I trial demonstrated that Mysimba users achieved an average weight loss of 5-10% of baseline body weight over 56 weeks when combined with lifestyle modifications, with approximately 50% of participants losing at least 5% of their initial weight [1]. These results position Mysimba as an effective option for individuals seeking a non-injectable treatment, though response rates vary based on adherence to the dose escalation schedule and concurrent dietary changes.

Mounjaro's clinical profile is supported by the SURMOUNT trial programme, which showed significantly higher weight reduction outcomes [2]. In SURMOUNT-1, participants on the 15mg maintenance dose lost an average of 22.5% of their body weight, with nearly 60% achieving at least 20% weight reduction. The SURPASS trials further demonstrated tirzepatide's dual-action mechanism produces superior glycaemic control and weight loss compared to semaglutide-based treatments [3].

Direct head-to-head trials between Mysimba and Mounjaro have not been conducted, making cross-trial comparisons imperfect due to differing study populations and protocols. However, the magnitude of weight loss observed in tirzepatide trials generally exceeds that seen with naltrexone-bupropion combinations. Your prescriber will consider these evidence-based outcomes alongside your individual circumstances, including BMI, comorbidities, and treatment preferences.

Real-World Effectiveness Considerations

Clinical trial results represent controlled environments with intensive support structures. Real-world effectiveness depends on adherence, lifestyle modifications, and individual metabolic responses. Mysimba requires consistent twice-daily dosing and gradual titration, which some patients find challenging, whilst Mounjaro's weekly injection schedule may improve adherence but requires comfort with self-injection techniques. Both treatments work optimally when combined with reduced-calorie diets and increased physical activity.

Side Effects and Tolerability Profiles

Mysimba's most common side effects stem from its central nervous system activity and include nausea, constipation, headache, vomiting, dizziness, and insomnia, particularly during the dose escalation phase [1]. Approximately 25% of trial participants discontinued Mysimba due to adverse effects, most commonly nausea. The medication carries warnings for individuals with seizure disorders, eating disorders, or those taking opioid medications, as naltrexone blocks opioid receptors and can precipitate withdrawal in opioid-dependent individuals.

Mounjaro's side effect profile centres on gastrointestinal symptoms, with nausea, diarrhoea, vomiting, constipation, and abdominal discomfort reported in clinical trials [2]. These effects are typically most pronounced after dose increases and often diminish over time as the body adapts. Rare but serious risks include pancreatitis, gallbladder disease, and potential thyroid C-cell tumours observed in rodent studies, though human relevance remains uncertain. Mounjaro is contraindicated in individuals with personal or family history of medullary thyroid carcinoma or Multiple Endocrine Neoplasia syndrome type 2.

Tolerability often determines long-term treatment success. Our clinical team at Cured Pharmacy, led by Superintendent Pharmacist Tarun Kumar (GPhC 2233073), provides ongoing support to manage side effects through dose adjustments, timing modifications, and practical strategies. Many gastrointestinal symptoms can be minimised by eating smaller meals, avoiding high-fat foods, and staying well-hydrated.

Cardiovascular and Metabolic Safety

Mysimba carries a boxed warning in some jurisdictions regarding blood pressure and heart rate increases, requiring regular monitoring, particularly in patients with pre-existing cardiovascular conditions [1]. Mounjaro has demonstrated cardiovascular safety in trials and may offer metabolic benefits beyond weight loss, including improved lipid profiles and blood pressure reduction [3]. Your UK prescriber will assess your cardiovascular risk profile when determining treatment suitability.

Feature Mysimba Mounjaro
Active Ingredient Naltrexone 8mg + Bupropion 90mg Tirzepatide
Administration Oral tablets, twice daily Subcutaneous injection, once weekly
Mechanism Central nervous system appetite regulation Dual GIP/GLP-1 receptor agonist
Average Weight Loss 5-10% over 56 weeks Up to 22.5% over 72 weeks
Starting Price From £124.99 From £124.99
Common Side Effects Nausea, headache, constipation, insomnia Nausea, diarrhoea, vomiting, constipation
Storage Requirements Room temperature Refrigerated (2-8°C)
Dose Escalation 4-week titration to maintenance Gradual increase every 4 weeks

Practical Considerations: Administration and Lifestyle Impact

Mysimba requires a structured dose escalation beginning with one tablet each morning for week one, increasing weekly until reaching the maintenance dose of two tablets twice daily by week four. This gradual titration helps minimise side effects but demands consistent adherence and planning around mealtimes. Tablets should be swallowed whole without crushing or chewing, and patients must avoid alcohol due to increased seizure risk and potential neuropsychiatric effects.

Mounjaro arrives as pre-filled KwikPen injectors designed for subcutaneous administration into the abdomen, thigh, or upper arm. After training from your pharmacist or healthcare provider, most patients find weekly injections straightforward and discreet. Pens must be stored in the refrigerator between 2-8°C, though they can remain at room temperature for up to 21 days if needed. The injection site should be rotated weekly to prevent lipodystrophy, and pens should never be shared between individuals.

Lifestyle integration differs substantially between treatments. Mysimba's twice-daily oral dosing fits easily into existing medication routines but requires remembering multiple doses. Mounjaro's weekly schedule offers convenience but necessitates proper storage and injection technique. Both treatments require commitment to dietary modifications and physical activity to achieve optimal results, and neither should be viewed as standalone solutions.

Cost Comparison: Buy Mysimba or Mounjaro UK Pharmacy Pricing

At Cured Pharmacy, Mysimba tablets start from £135.00 for a month's supply, making it a cost-effective option for patients seeking oral weight management medication. Pricing remains transparent before you begin your consultation, with no hidden fees or surprise charges. Each prescription includes a full month's supply at the maintenance dose, though initial titration packs may differ in quantity to support the escalation schedule.

Mounjaro pricing starts from £124.99 and varies by prescribed dose strength, with higher maintenance doses reflecting increased medication costs. The weekly injection schedule means each pen provides one month of treatment when used as directed. Whilst injectable GLP-1 treatments typically carry higher price points than oral alternatives, many patients find the enhanced efficacy and convenient dosing schedule justify the investment, particularly when combined with the significant health improvements associated with substantial weight loss.

Both treatments represent considerable financial commitments over the recommended treatment duration, which typically spans several months to a year or longer. Private prescription costs in the UK vary between pharmacies, and some providers add consultation fees or subscription charges. At Cured Pharmacy, we guarantee the lowest prices in the UK with upfront transparency, free clinical consultations under three minutes, and discreet delivery included in your prescription cost.

NHS vs Private Prescription Access

NHS prescription availability for weight management medications remains limited, with strict eligibility criteria based on BMI thresholds, comorbidities, and local formulary decisions. Many patients find private prescriptions through registered UK pharmacies offer faster access and greater treatment choice. All prescriptions from Cured Pharmacy are issued by UK-registered prescribers following comprehensive clinical assessment, ensuring the same safety standards as NHS services.

Who Should Choose Mysimba vs Mounjaro?

Mysimba may be particularly suitable for individuals who prefer oral medication, have successfully managed previous oral treatments, and do not have contraindications such as uncontrolled hypertension, seizure disorders, or concurrent opioid use. Patients with a BMI of 30 kg/m² or above, or 27 kg/m² with weight-related comorbidities, who are comfortable with twice-daily dosing and gradual dose escalation often respond well to Mysimba's neurotransmitter-modulating approach [1].

Mounjaro represents an optimal choice for patients seeking maximum weight loss efficacy based on current clinical evidence, those who prefer weekly rather than daily administration, and individuals who are comfortable with self-injection [2]. It's particularly effective for patients with concurrent type 2 diabetes, as tirzepatide provides excellent glycaemic control alongside weight reduction. However, it's not suitable for individuals with personal or family history of medullary thyroid carcinoma, Multiple Endocrine Neoplasia syndrome type 2, or previous severe pancreatitis.

Your final treatment decision should be guided by a comprehensive assessment with a UK prescriber who evaluates your medical history, current medications, weight loss goals, lifestyle factors, and personal preferences. At Cured Pharmacy, our online consultation captures all relevant clinical information, and our prescribers provide personalised recommendations based on evidence-based guidelines and your individual circumstances. If one treatment proves unsuitable or ineffective, your prescriber can reassess and recommend alternative options from our complete range of UK-licensed weight management medications.

Starting Your Treatment Journey

Beginning treatment requires completing a clinical assessment that covers your medical history, current health status, previous weight loss attempts, and any contraindications. Our UK prescribers review your consultation within hours, and if approved, your medication is dispensed from our GPhC-registered pharmacy (9012511) with discreet next-day delivery. Ongoing monitoring and support ensure you achieve the best possible outcomes whilst managing any side effects that emerge during treatment.

Scientific References

  1. Greenway, F. L., et al. (2010). Effect of naltrexone plus bupropion on weight loss in overweight and obese adults (COR-I): a multicentre, randomised, double-blind, placebo-controlled, phase 3 trial. The Lancet, 376(9741), 595-605. https://doi.org/10.1016/S0140-6736(10)60888-4 [accessed 13 August 2026]
  2. Jastreboff, A. M., 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]
  3. Rosenstock, J., et al. (2021). Efficacy and safety of a novel dual GIP and GLP-1 receptor agonist tirzepatide in patients with type 2 diabetes (SURPASS-1): a double-blind, randomised, phase 3 trial. The Lancet, 398(10295), 143-155. https://doi.org/10.1016/S0140-6736(21)01324-6 [accessed 13 August 2026]
  4. NHS. (2026). Tirzepatide: a medicine to manage type 2 diabetes and treat obesity. https://www.nhs.uk/medicines/tirzepatide/ Accessed 13 August 2026.
  5. NHS. (2026). Overweight and obesity in adults. https://www.nhs.uk/conditions/overweight-and-obesity/ Accessed 13 August 2026.
  6. 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. Weight loss results vary between individuals and 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

Can I buy Mysimba or Mounjaro UK pharmacy without seeing a doctor?
No. Both Mysimba and Mounjaro are prescription-only medications in the UK and require clinical assessment by a UK-registered prescriber before dispensing. Our free online consultation takes under three minutes and connects you with qualified prescribers who review your medical history and determine treatment suitability.
Which is more effective for weight loss: Mysimba or Mounjaro?
Clinical trial data suggests Mounjaro produces greater average weight loss, with participants achieving up to 22.5% body weight reduction compared to 5-10% with Mysimba. However, individual responses vary, and effectiveness depends on adherence, lifestyle modifications, and personal metabolic factors that your prescriber will assess.
How long does it take to see results with Mysimba or Mounjaro?
Most patients notice appetite reduction within 2-4 weeks of starting either treatment, with measurable weight loss typically evident by 8-12 weeks. Mysimba requires four weeks of dose escalation before reaching therapeutic levels, whilst Mounjaro's effects may begin sooner but increase with dose titration over several months.
Can I switch from Mysimba to Mounjaro or vice versa?
Yes, switching between weight loss treatments is possible under prescriber guidance. If one medication proves ineffective or causes intolerable side effects, your UK prescriber can reassess your treatment plan and recommend alternatives. A washout period may be required between certain medications to ensure safety.
Are Mysimba and Mounjaro available on the NHS?
NHS availability is extremely limited and subject to strict eligibility criteria that vary by local commissioning decisions. Most patients access these medications through private prescriptions from registered UK pharmacies like Cured Pharmacy, where transparent pricing and rapid access are guaranteed without lengthy NHS waiting times.
Do I need to inject Mounjaro myself?
Yes, Mounjaro is self-administered as a subcutaneous injection once weekly using pre-filled KwikPen devices. Our pharmacists provide comprehensive injection training, and most patients find the process straightforward after the first few doses. The pen design minimises discomfort and allows discreet administration at home.
What happens if I miss a dose of Mysimba or Mounjaro?
For Mysimba, take the missed dose as soon as you remember unless it's close to your next scheduled dose, in which case skip it and resume your regular schedule. For Mounjaro, inject within four days of the missed dose; if more than four days have passed, skip that dose and inject on your next scheduled day.
Can I buy Mysimba or Mounjaro UK pharmacy if I have diabetes?
Mounjaro is licensed for both weight management and type 2 diabetes treatment, making it particularly suitable for patients with both conditions. Mysimba can be used in patients with type 2 diabetes, though blood glucose monitoring is essential as weight loss affects glycaemic control. Your prescriber will assess your diabetes management and adjust treatments accordingly.
Should I buy Mysimba or Mounjaro for weight loss?
Mounjaro (tirzepatide) typically delivers greater weight loss results than Mysimba (naltrexone/bupropion), with clinical trials showing average losses of 15-20% body weight versus 5-10% with Mysimba. Cured Pharmacy's prescribers will help you choose the most suitable option based on your medical history, weight loss goals, and budget during your online consultation.
Is Mounjaro cheaper online than through my GP in the UK?
Yes, buying Mounjaro online from Cured Pharmacy is usually cheaper and faster than GP routes, as most NHS services don't routinely prescribe it for weight loss. Cured Pharmacy offers Mounjaro from £124.99 with transparent pricing and no hidden fees, plus £20 off your first order with code Weightlossnew.
Can I switch from Mysimba to Mounjaro mid-treatment?
Yes, you can switch from Mysimba to Mounjaro, though this should be done under medical guidance. Cured Pharmacy's UK-registered prescribers will review your Mysimba experience and current health status before approving a switch to ensure Mounjaro is safe and appropriate for you.
Does the price of Mounjaro increase with higher doses?
Yes, Mounjaro pricing increases as you titrate up through higher doses, from £124.99 for 2.5mg to £267.00 for 15mg. Cured Pharmacy provides clear pricing for all dose strengths upfront, and your prescriber will guide you through the dose escalation schedule to minimise side effects while managing costs.
How quickly can I get Mounjaro or Mysimba delivered in the UK?
Cured Pharmacy offers fast UK delivery once your prescription is approved by a UK-registered prescriber, typically within 1-2 working days. Your order is dispatched discreetly from our regulated pharmacy, and tracking information is provided so you know exactly when to expect your Mounjaro or Mysimba.
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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