Mounjaro Weight Loss Week by Week UK | Cured Pharmacy

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Cheapest Mounjaro Weight Loss UK Price £124.99

Track your Mounjaro weight loss week by week at the cheapest UK price from £124.99 with £20 off using code Weightlossnew.

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Weightlossnew £20 off first order using code WEIGHTLOSSNEW

Treatment from £124.99

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Height 175 cm
Weight 82 kg

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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
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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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Understanding How Mounjaro Weight Loss Works Week by Week

Published on: June 03, 2026

Understanding mounjaro weight loss week by week UK progression helps set realistic expectations for your treatment journey. At Cured Pharmacy, we provide genuine UK-licensed Mounjaro (tirzepatide) from £124.99 with transparent clinical guidance on what to expect during each phase of your weight loss programme.

How Mounjaro Works: The Science Behind Weekly Weight Loss

Mounjaro contains tirzepatide, the first dual GIP/GLP-1 receptor agonist licensed by the MHRA for weight management in the UK [1]. Unlike single-pathway treatments, tirzepatide activates both glucose-dependent insulinotropic polypeptide (GIP) and glucagon-like peptide-1 (GLP-1) receptors simultaneously, producing enhanced effects on appetite regulation, gastric emptying, and insulin secretion.

This dual mechanism explains why clinical trials showed superior weight loss outcomes compared to single-receptor medications. In the SURMOUNT-1 trial, participants receiving the 15mg maintenance dose achieved an average 22.5% body weight reduction over 72 weeks, with some individuals losing up to 26% of their starting weight [1]. The medication works progressively, with weight loss accelerating as your body adjusts to higher doses through the titration schedule.

Mounjaro Weight Loss Week by Week: The First Month

Your Mounjaro journey begins with a 2.5mg weekly injection for the first four weeks. This starter dose allows your body to adapt to the medication whilst minimising potential side effects such as nausea or reduced appetite. During weeks 1-4, most patients report gradual appetite suppression and early satiety, though significant weight loss typically remains modest at this stage.

Clinical trial data shows that patients lose an average of 2-3% of their body weight during the initial four-week period [1]. You may notice changes in eating patterns before seeing substantial scale movement—feeling satisfied with smaller portions, reduced food cravings between meals, and decreased interest in high-calorie foods. These behavioural changes lay the foundation for progressive weight loss in subsequent weeks.

What to Expect During Your First Injections

The KwikPen delivery system makes self-administration straightforward, with most patients becoming comfortable with the injection process by week two. Inject subcutaneously into your abdomen, thigh, or upper arm on the same day each week. Mild injection site reactions, temporary nausea, or changes in bowel habits are common initially but typically resolve as your body adjusts to the medication [2].

Weeks 5-12: Dose Escalation and Accelerated Weight Loss

After the initial four weeks, your prescriber will increase your dose to 5mg weekly, provided you're tolerating the medication well. This marks the beginning of more noticeable weight loss for most patients. Between weeks 5-12, clinical trial participants lost an additional 5-7% of their starting body weight on average, bringing total weight loss to approximately 8-10% by the end of month three [1].

The dose escalation continues every four weeks—from 5mg to 7.5mg, then to 10mg, 12.5mg, and finally 15mg for those requiring maximum therapeutic effect. Each increase enhances the medication's impact on appetite hormones and gastric emptying, resulting in progressively greater weight reduction. Your UK prescriber will determine your optimal maintenance dose based on your response, tolerability, and weight loss goals during your ongoing clinical reviews.

Managing Side Effects During Dose Increases

Gastrointestinal side effects may temporarily increase when escalating doses. Eating smaller, more frequent meals, avoiding high-fat foods, and staying well-hydrated can help manage nausea. If side effects become problematic, your prescriber may slow the titration schedule or maintain you at a lower dose for additional weeks before advancing [2].

Treatment Active Ingredient Injection Frequency Starting Price
Mounjaro Tirzepatide (dual GIP/GLP-1) Once weekly From £124.99
Wegovy Semaglutide (GLP-1) Once weekly From £69.00
Saxenda Liraglutide (GLP-1) Daily injection From £68.00
Orlistat Lipase inhibitor Three times daily (oral) From £32.00

Weeks 13-24: Reaching Therapeutic Doses and Peak Weight Loss Rate

By week 13, many patients reach their therapeutic maintenance dose—typically 10mg, 12.5mg, or 15mg weekly depending on individual response and tolerability. This period represents the most rapid phase of weight loss, with SURMOUNT-1 participants losing an average of 12-15% total body weight by week 24 on higher maintenance doses [1].

The medication's effects on hunger hormones become fully established at therapeutic doses, resulting in sustained appetite suppression and metabolic improvements. Patients report feeling genuinely satisfied with portion sizes that would have left them hungry before treatment. This isn't willpower—it's the physiological effect of dual receptor activation normalising appetite signals that may have been dysregulated for years.

Weeks 25-52: Sustained Weight Loss and Metabolic Benefits

Between six months and one year, weight loss continues at a steadier pace as you approach your individual response plateau. SURMOUNT-1 data showed that participants on 15mg maintenance doses achieved an average 20.9% weight reduction by week 52, with continued improvement through week 72 [1]. Beyond the number on the scale, patients experience significant improvements in obesity-related comorbidities including blood pressure, lipid profiles, and glycaemic control.

This extended treatment period is crucial for achieving maximal benefit. Unlike short-term dieting approaches, Mounjaro facilitates gradual, sustainable weight loss that allows your body to adapt metabolically. Your UK prescriber will monitor your progress through regular clinical reviews, adjusting your treatment plan as needed to optimise outcomes whilst maintaining safety.

Long-Term Treatment Considerations

Mounjaro is intended for chronic weight management, not short-term use. Clinical evidence demonstrates that discontinuing treatment often results in weight regain, as the underlying biological factors driving obesity remain present [3]. Your prescriber will discuss long-term treatment strategies, including the importance of maintaining lifestyle modifications alongside medication for optimal sustained results.

Comparing Mounjaro Week by Week Results to Other Weight Loss Treatments

When evaluating weekly weight loss progression across different medications, tirzepatide consistently demonstrates superior outcomes in head-to-head trials. The SURMOUNT-2 study comparing tirzepatide to placebo in patients with type 2 diabetes showed significantly greater weight reduction at every measured timepoint [3]. While individual results vary, the dual-receptor mechanism provides enhanced efficacy compared to single-pathway alternatives.

Your choice between available treatments should consider not just total weight loss potential, but also dosing frequency, side effect profile, and cost. At Cured Pharmacy, our UK prescribers assess your complete medical history, weight loss goals, previous treatment responses, and personal preferences during your free online consultation. All prescription weight loss medications require ongoing clinical monitoring and are dispensed only after thorough assessment by a UK-registered prescriber.

Scientific References

  1. 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]
  2. Electronic Medicines Compendium. (2023). Mounjaro 2.5 mg solution for injection in pre-filled pen - Summary of Product Characteristics. https://www.medicines.org.uk/emc/product/14198 [accessed 13 August 2026]
  3. Garvey, W. T., et al. (2023). Tirzepatide Once Weekly for the Treatment of Obesity in People with Type 2 Diabetes (SURMOUNT-2): A Double-Blind, Randomised, Multicentre, Placebo-Controlled, Phase 3 Trial. The Lancet, 402(10402), 613–626. https://doi.org/10.1016/S0140-6736(23)01200-X [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. Individual results may vary. Weight loss outcomes cited are based on clinical trial averages and do not guarantee specific results for any individual patient.

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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."

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Faq

How much weight can I expect to lose week by week on Mounjaro?
Weight loss varies individually, but clinical trials showed an average of 2-3% body weight in weeks 1-4, accelerating to 8-10% by week 12, and up to 22.5% by week 72 on the 15mg maintenance dose. Your UK prescriber will monitor your progress throughout treatment.
When will I start seeing Mounjaro weight loss results?
Most patients notice appetite changes within the first week, though measurable weight loss typically becomes apparent during weeks 2-4. Significant weight reduction accelerates after dose escalation begins at week 5.
Do I need to stay on Mounjaro long-term to maintain weight loss?
Clinical evidence suggests that discontinuing treatment often results in weight regain, as Mounjaro addresses biological factors driving obesity rather than curing the condition. Your prescriber will discuss long-term treatment strategies during your consultation.
How does Mounjaro compare to Wegovy for weekly weight loss?
Head-to-head trials show tirzepatide produces greater average weight loss than semaglutide-based treatments due to its dual GIP/GLP-1 mechanism. Both require once-weekly injections and are available through Cured Pharmacy subject to prescriber approval.
Can I speed up Mounjaro weight loss week by week with diet changes?
Combining Mounjaro with a reduced-calorie diet and increased physical activity enhances results, though the medication works independently of lifestyle changes. Your prescriber will provide guidance on optimising outcomes through comprehensive weight management strategies.
What happens if I miss a weekly Mounjaro injection?
If you miss a dose and it's been less than four days, inject as soon as you remember. If more than four days have passed, skip the missed dose and resume your regular schedule. Contact your prescriber if you have concerns about missed doses.
Is Mounjaro available on the NHS or only through private pharmacies?
Mounjaro for weight management is currently available primarily through private prescription in the UK. Cured Pharmacy offers competitive pricing from £124.99 with free online consultation by UK-registered prescribers, subject to clinical assessment and approval.
How long does each Mounjaro dose level last before increasing?
The standard titration schedule maintains each dose for four weeks: 2.5mg for weeks 1-4, 5mg for weeks 5-8, 7.5mg for weeks 9-12, continuing until reaching your optimal maintenance dose. Your prescriber may adjust this schedule based on your individual response.
How does Mounjaro weight loss progress week by week in the UK?
Most patients on Mounjaro notice gradual weight loss starting from weeks 4-6, with consistent reductions as doses increase through the titration schedule. Cured Pharmacy provides guidance on tracking your weekly progress and adjusting your dose safely under prescriber supervision.
What can I expect from Mounjaro weight loss in the first 4 weeks UK?
During the first 4 weeks on the 2.5mg starting dose, most UK patients lose 1-3% of body weight as their body adjusts to Mounjaro. Cured Pharmacy supports you through this initial period with clinical advice and realistic weekly expectations for sustainable results.
Is Mounjaro weight loss faster at higher doses week by week?
Yes, clinical trials show weight loss typically accelerates as you progress from 2.5mg to maintenance doses of 10mg-15mg over 16-20 weeks. Cured Pharmacy ensures safe dose escalation with prescriber oversight to maximise your week-by-week weight loss results in the UK.
Can I track Mounjaro weight loss week by week with NHS support?
The NHS does not currently provide Mounjaro for weight loss, so most UK patients track progress privately through registered pharmacies. Cured Pharmacy offers affordable access from £124.99 with ongoing support to monitor your weekly weight loss journey.
Does everyone lose weight week by week on Mounjaro in the UK?
While most patients see consistent weekly weight loss on Mounjaro, individual results vary based on diet, exercise, and metabolic factors. Cured Pharmacy provides personalised guidance to help UK patients achieve optimal week-by-week progress throughout their treatment.
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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