Weight Loss Drug Alli - Cheapest UK Price £124.99

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Alli - Cheapest UK Price £124.99

Get Alli at the cheapest UK price from £124.99 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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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

£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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Understanding the Weight Loss Drug Alli: Clinical Evidence and UK Access

The weight loss drug Alli is the only over-the-counter orlistat treatment licensed in the UK for weight management, containing 60mg of orlistat per capsule. Available at Cured Pharmacy from £124.99, Alli works by blocking approximately 25% of dietary fat absorption in the digestive system, supporting gradual weight loss when combined with a reduced-calorie, lower-fat diet[1]. Clinical evidence demonstrates that Alli can help individuals lose 50% more weight than dieting alone when used as directed under clinical supervision.

How the Weight Loss Drug Alli Works in Your Body

The weight loss drug Alli contains orlistat 60mg, a lipase inhibitor that works locally in your digestive tract rather than systemically throughout your body[1]. When you take an Alli capsule with meals containing fat, the active ingredient orlistat attaches to enzymes called lipases in your stomach and small intestine, preventing them from breaking down approximately 25% of the fat you consume. This undigested fat passes through your system naturally and is eliminated in bowel movements.

Unlike appetite suppressants or metabolic stimulants, Alli does not affect your central nervous system or alter hunger signals. The mechanism is purely mechanical and digestive, which contributes to its favourable safety profile when used correctly[2]. For optimal results, Alli should be taken three times daily with main meals containing fat, and the treatment works best when combined with a diet where approximately 30% of calories come from fat. Taking Alli with very low-fat meals (under 15g fat) provides minimal benefit, as there is insufficient fat for the medication to block.

Clinical Evidence for the Weight Loss Drug Alli

The weight loss drug Alli is supported by extensive clinical trial data involving over 30,000 participants across multiple studies. In the landmark XENDOS trial published in Diabetes Care, participants using orlistat alongside lifestyle modifications lost an average of 10.2kg over four years, compared to 6.2kg in the placebo group—a 64% greater weight loss[2]. Importantly, orlistat users also demonstrated a 37% reduction in progression to type 2 diabetes, highlighting metabolic benefits beyond weight reduction alone.

A meta-analysis of 16 randomised controlled trials found that individuals taking orlistat 60mg (the Alli dose) lost an average of 2.9kg more than those on placebo over 12 months[3]. Weight loss typically begins within two weeks of starting treatment, with most individuals achieving their maximum weight reduction within six months. Clinical guidelines from NICE acknowledge orlistat as an effective adjunct to lifestyle interventions for weight management in adults with a BMI of 28 kg/m² or above when other risk factors are present[4].

Real-World Effectiveness and Patient Outcomes

In real-world UK pharmacy settings, adherence to the weight loss drug Alli significantly influences outcomes. Patients who maintain consistent use for at least 12 weeks while following a structured lower-fat eating plan report the most substantial and sustained weight loss. Our clinical team at Cured Pharmacy, led by Superintendent Pharmacist Tarun Kumar (GPhC 2233073), provides ongoing support to help patients optimise their dietary approach and manage the treatment-related gastrointestinal effects that can occur when too much fat is consumed.

Comparing the Weight Loss Drug Alli with Prescription Alternatives

The weight loss drug Alli differs fundamentally from newer prescription weight loss injections like Wegovy and Mounjaro in both mechanism and magnitude of effect. While Alli blocks fat absorption in the digestive tract, GLP-1 receptor agonists such as semaglutide (Wegovy) and tirzepatide (Mounjaro) work systemically to reduce appetite, slow gastric emptying, and improve insulin sensitivity[5]. Clinical trials show that injectable treatments typically produce greater average weight loss—12-15% of body weight with semaglutide and up to 22.5% with tirzepatide—compared to the 5-10% typically achieved with orlistat.

However, the weight loss drug Alli offers distinct advantages for certain patients. It requires no injection, works through a non-systemic mechanism, and is available at a significantly lower price point from £124.99 for 84 capsules at Cured Pharmacy. Alli may be particularly suitable for individuals with lower BMI targets (28-35 kg/m²), those who prefer oral medication, or patients seeking a more affordable entry point into medically supported weight management. All prescription alternatives including Wegovy (from £124.99), Saxenda (from £124.99), and Mounjaro (from £124.99) require clinical assessment by a UK prescriber through our online consultation process.

Treatment Type Frequency Starting Price
Alli 60mg Orlistat capsule Three times daily with meals from £49.99
Xenical 120mg Orlistat capsule (prescription) Three times daily with meals from £49.99
Wegovy Semaglutide injection Once weekly from £89.00
Saxenda Liraglutide injection Once daily from £68.00
Mounjaro Tirzepatide injection Once weekly from £145.00
Orlistat 120mg Generic capsule (prescription) Three times daily with meals from £32.00

Managing Side Effects of the Weight Loss Drug Alli

The weight loss drug Alli produces treatment-related gastrointestinal effects in many users, directly related to its mechanism of blocking fat absorption. The most commonly reported effects include oily spotting, flatulence with discharge, urgent bowel movements, and fatty or oily stools[1]. These effects are not dangerous but can be socially inconvenient, and their severity is directly proportional to the amount of fat consumed in the diet. When users adhere to the recommended fat intake of approximately 15g per meal, these effects are typically mild and manageable.

To minimise discomfort while using the weight loss drug Alli, our clinical team recommends starting with meals naturally lower in fat and gradually adjusting your diet. Wearing dark clothing or using panty liners during the initial weeks can provide reassurance while your body adjusts. Most patients find that gastrointestinal effects diminish significantly after the first month as they become more adept at managing their fat intake[6]. If severe or persistent diarrhoea occurs, discontinue use and consult a healthcare professional. Alli may also reduce absorption of fat-soluble vitamins (A, D, E, K), so taking a daily multivitamin at bedtime—at least two hours after your last Alli dose—is recommended.

When to Contact a Healthcare Professional

While the weight loss drug Alli has an established safety profile, certain symptoms warrant immediate medical attention. Contact your GP or pharmacist if you experience severe abdominal pain, blood in stools, signs of liver problems (yellowing of skin or eyes, dark urine, persistent nausea), or allergic reactions. Patients taking warfarin, anticonvulsants, or thyroid medications should consult a prescriber before starting Alli, as orlistat may affect absorption of these medicines[2].

Who Can Use the Weight Loss Drug Alli in the UK

The weight loss drug Alli is licensed in the UK for adults aged 18 and over with a BMI of 28 kg/m² or above. Unlike prescription-strength orlistat 120mg (Xenical), Alli 60mg does not require a prescription and can be supplied following a brief clinical assessment by a registered pharmacist. At Cured Pharmacy, our UK-registered clinical team reviews your medical history, current medications, and weight management goals through a confidential online consultation taking under three minutes to complete.

The weight loss drug Alli is not suitable for everyone. It should not be used during pregnancy or breastfeeding, by individuals with chronic malabsorption syndrome, cholestasis, or those taking ciclosporin[4]. Patients with diabetes should consult their healthcare provider before starting Alli, as weight loss may necessitate adjustments to diabetes medications. Similarly, individuals taking anticoagulants like warfarin require monitoring, as changes in dietary vitamin K intake during weight loss can affect INR levels. Our Superintendent Pharmacist Tarun Kumar (GPhC 2233073) personally reviews complex cases to ensure safe, appropriate supply.

Accessing the Weight Loss Drug Alli at the Cheapest UK Price

The weight loss drug Alli is available at Cured Pharmacy from £124.99 for 84 capsules (a four-week supply when taking three capsules daily), representing the cheapest UK price for genuine, licensed Alli. We are a fully registered UK pharmacy (GPhC 9012511) supplying only authentic medicines sourced through licensed UK wholesalers. New customers receive £20 off their first order using code Weightlossnew, reducing the initial cost to £124.99 for the first supply.

To order the weight loss drug Alli from Cured Pharmacy, complete our free online clinical assessment which takes under three minutes. Our UK-registered prescribers review your submission and, if appropriate, approve supply. Orders are dispatched the same day when approved before 3pm, with discreet next-day delivery available across the UK. We offer transparent upfront pricing—the price you see is the price you pay, with no hidden consultation fees or subscription charges. For patients requiring longer-term treatment, we provide convenient repeat ordering with ongoing clinical oversight to monitor progress and adjust treatment as needed.

Support and Guidance Throughout Your Treatment

Choosing the weight loss drug Alli is just the first step in your weight management journey. Cured Pharmacy provides comprehensive support including dietary guidance, tips for managing side effects, and access to our clinical team via phone (+44 116 4646009) or email. We believe successful weight loss requires both effective medication and sustained lifestyle changes, and our team is committed to supporting you throughout your treatment to maximise outcomes and ensure safe, appropriate use of Alli.

Scientific References

  1. Heck, A. M., Yanovski, J. A., & Calis, K. A. (2000). Orlistat, a new lipase inhibitor for the management of obesity. Pharmacotherapy, 20(3), 270-279.
  2. Torgerson, J. S., Hauptman, J., Boldrin, M. N., & Sjöström, L. (2004). XENical in the prevention of diabetes in obese subjects (XENDOS) study: a randomized study of orlistat as an adjunct to lifestyle changes for the prevention of type 2 diabetes in obese patients. Diabetes Care, 27(1), 155-161.
  3. Rucker, D., Padwal, R., Li, S. K., Curioni, C., & Lau, D. C. (2007). Long term pharmacotherapy for obesity and overweight: updated meta-analysis. BMJ, 335(7631), 1194-1199.
  4. National Institute for Health and Care Excellence. (2014). Weight management: lifestyle services for overweight or obese adults (PH53). NICE.
  5. 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.
  6. Sjöström, L., Rissanen, A., Andersen, T., Boldrin, M., Golay, A., Koppeschaar, H. P., & Krempf, M. (1998). Randomised placebo-controlled trial of orlistat for weight loss and prevention of weight regain in obese patients. The Lancet, 352(9123), 167-172.

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

How quickly does the weight loss drug Alli start working?
Alli begins blocking fat absorption immediately with your first dose, and most users notice initial weight loss within the first two weeks of treatment when combined with a reduced-calorie, lower-fat diet.
Can I take the weight loss drug Alli if I have diabetes?
Yes, but you should consult your healthcare provider first, as weight loss may require adjustments to your diabetes medications to prevent hypoglycaemia.
What happens if I eat high-fat meals while taking the weight loss drug Alli?
Consuming meals with more than 15g of fat per serving while taking Alli significantly increases the likelihood and severity of gastrointestinal side effects including oily stools, urgency, and spotting.
Is the weight loss drug Alli the same as prescription Xenical?
Both contain orlistat, but Alli provides 60mg per capsule while Xenical contains 120mg. Xenical requires a prescription, whereas Alli can be supplied following a pharmacist consultation.
How long can I safely use Alli for weight loss?
The weight loss drug Alli can be used continuously for up to six months initially, with ongoing use beyond this period requiring review by a healthcare professional to assess progress and suitability.
Do I need to take vitamins while using Alli?
Yes, a daily multivitamin containing fat-soluble vitamins (A, D, E, K) is recommended, taken at bedtime at least two hours after your last Alli dose to ensure adequate absorption.
Can I buy the weight loss drug Alli without a consultation?
No, UK regulations require a clinical assessment by a registered pharmacist before supply to ensure Alli is safe and appropriate for your individual circumstances.
What is the cheapest UK price for genuine Alli capsules?
Cured Pharmacy offers Alli from £124.99 for 84 capsules, with new customers saving £124.99 using code Weightlossnew, making it the cheapest UK price for licensed Alli.
Tarun Kumar, Prescribing Pharmacist

Medically reviewed by

Tarun Kumar, Prescribing Pharmacist (GPhC 2233073)

Last reviewed: 29 July 2026