Orlistat for Weight Loss - Cheapest UK Price £124.99

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Orlistat for Weight Loss - Cheapest UK Price £124.99

Get orlistat at the cheapest UK price from £124.99 with £20 off using code Weightlossnew.

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Woman using Cured Pharmacy online consultation for weight loss treatment
£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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Orlistat for Weight Loss: How It Works, Dosing, and Clinical Evidence

Orlistat for weight loss is a lipase inhibitor licensed in the UK to support weight management in adults with a BMI of 28 or above when combined with a reduced-calorie diet. Unlike GLP-1 receptor agonists, orlistat works locally in the gut to block approximately 30% of dietary fat absorption, making it a non-systemic option for patients seeking prescription weight loss support. Available from Cured Pharmacy at £124.99 orlistat requires clinical assessment by a UK-registered prescriber to ensure suitability and safety.

How Orlistat for Weight Loss Works in the Body

Orlistat for weight loss functions as a gastrointestinal lipase inhibitor, binding to gastric and pancreatic enzymes in the stomach and small intestine to prevent the breakdown of dietary triglycerides into absorbable free fatty acids and monoglycerides [1]. This mechanism reduces fat absorption by approximately 30%, leading to a calorie deficit when patients adhere to a reduced-fat diet (typically under 30% of total daily calories from fat). Unlike centrally acting appetite suppressants or GLP-1 agonists such as semaglutide, orlistat does not cross the blood-brain barrier and exerts its effect exclusively within the digestive tract.

The unabsorbed fat is excreted in faeces, which can cause gastrointestinal side effects if dietary fat intake is too high. Clinical trials, including the XENDOS study, demonstrated that orlistat combined with lifestyle intervention resulted in an average weight loss of 10.2 kg over four years compared to 6.1 kg with placebo, alongside a 37% reduction in progression to type 2 diabetes in at-risk individuals [2]. Orlistat is available in two strengths: 120 mg (prescription-only, marketed as Xenical or generic orlistat) and 60 mg (available over the counter as Alli). At Cured Pharmacy, the 120 mg prescription strength is offered from £124.99 following online consultation with a UK prescriber.

Recommended Dosing and Administration of Orlistat for Weight Loss

The standard dose of orlistat for weight loss is 120 mg taken orally three times daily with each main meal containing fat, or up to one hour after eating. If a meal is missed or contains no fat, the dose should be omitted. Patients are advised to follow a nutritionally balanced, reduced-calorie diet that derives approximately 30% of calories from fat, distributed across three main meals to minimise gastrointestinal side effects [3].

Treatment with orlistat should be discontinued after 12 weeks if patients have not lost at least 5% of their initial body weight, as continued use is unlikely to provide additional benefit. Conversely, patients who achieve ≥5% weight loss at 12 weeks may continue treatment for up to two years under ongoing prescriber supervision. Orlistat can reduce the absorption of fat-soluble vitamins (A, D, E, K), so a daily multivitamin supplement taken at least two hours before or after orlistat is recommended, particularly during long-term use.

Who Is Eligible for Orlistat for Weight Loss?

Orlistat for weight loss is licensed in the UK for adults with a body mass index (BMI) of 30 kg/m² or above, or 28 kg/m² or above in the presence of weight-related comorbidities such as type 2 diabetes, hypertension, or dyslipidaemia [4]. It is not suitable for individuals under 18 years, pregnant or breastfeeding women, or those with chronic malabsorption syndrome or cholestasis. A UK-registered prescriber will assess medical history, current medications, and contraindications during the online consultation at Cured Pharmacy before approving treatment.

Clinical Evidence Supporting Orlistat for Weight Loss Outcomes

Multiple randomised controlled trials have established the efficacy of orlistat for weight loss when combined with lifestyle modification. A meta-analysis of 16 trials involving over 10,000 participants found that orlistat 120 mg three times daily resulted in a mean additional weight loss of 2.9 kg compared to placebo over one year [5]. Beyond weight reduction, orlistat has demonstrated favourable effects on cardiovascular risk markers, including reductions in LDL cholesterol, total cholesterol, and blood pressure in obese patients.

The XENDOS trial, a four-year prospective study, showed that orlistat significantly delayed the onset of type 2 diabetes in individuals with impaired glucose tolerance, with a cumulative incidence of 9.0% in the orlistat group versus 6.2% in the placebo group [2]. Real-world evidence from UK primary care settings confirms these findings, with patients achieving clinically meaningful weight loss (≥5% baseline weight) in approximately 40-60% of cases when adherent to both medication and dietary advice. At Cured Pharmacy, our clinical team provides ongoing support to optimise treatment adherence and outcomes.

Treatment Type Frequency Starting Price
Orlistat 120mg Lipase inhibitor (oral) Three times daily with meals from £32.00
Xenical (Orlistat 120mg) Lipase inhibitor (oral) Three times daily with meals from £49.99
Alli (Orlistat 60mg) Lipase inhibitor (oral) Three times daily with meals from £49.99
Wegovy (Semaglutide) GLP-1 agonist (injection) Once weekly from £89.00
Mounjaro (Tirzepatide) GLP-1/GIP agonist (injection) Once weekly from £145.00
Saxenda (Liraglutide) GLP-1 agonist (injection) Once daily from £68.00

Common Side Effects of Orlistat for Weight Loss and Management Strategies

The most frequently reported side effects of orlistat for weight loss are gastrointestinal in nature and directly related to its mechanism of action. These include oily spotting, flatus with discharge, faecal urgency, fatty or oily stools, increased defecation, and faecal incontinence [3]. These effects are most pronounced when dietary fat intake exceeds 30% of total calories and typically diminish as patients adhere to a lower-fat diet.

To minimise gastrointestinal side effects, patients should distribute fat intake evenly across three meals, avoid high-fat foods, and maintain adequate hydration. Rare but serious adverse events include severe liver injury (hepatotoxicity), though causality has not been definitively established. Patients should be advised to discontinue orlistat and seek medical attention if they develop symptoms such as jaundice, dark urine, or persistent abdominal pain. Orlistat may also reduce the absorption of certain medications, including levothyroxine, warfarin, and antiretroviral drugs, necessitating dose adjustments or timing modifications under prescriber guidance.

Drug Interactions and Precautions with Orlistat for Weight Loss

Orlistat for weight loss can interact with several medications by reducing the absorption of fat-soluble drugs and vitamins. Patients taking levothyroxine should administer it at least four hours apart from orlistat to avoid reduced thyroid hormone levels. Warfarin users may experience altered INR values and require more frequent monitoring. Ciclosporin levels can decrease when taken concurrently with orlistat, so these medications should be separated by at least three hours [4]. A UK prescriber will review all current medications during the clinical assessment at Cured Pharmacy to identify and manage potential interactions.

Comparing Orlistat for Weight Loss with GLP-1 Receptor Agonists

Orlistat for weight loss differs fundamentally from newer GLP-1 receptor agonists like semaglutide (Wegovy) and tirzepatide (Mounjaro) in both mechanism and magnitude of effect. While orlistat blocks fat absorption in the gut, GLP-1 agonists work centrally to reduce appetite, slow gastric emptying, and improve glycaemic control. Clinical trials show that GLP-1 agonists typically produce greater average weight loss—semaglutide 2.4 mg achieved 14.9% mean weight reduction in the STEP 1 trial compared to 2.4% with placebo, whereas orlistat produces approximately 5-10% weight loss over one year [5].

However, orlistat offers distinct advantages for certain patient populations. It is non-systemic, avoiding the nausea and gastrointestinal side effects commonly associated with GLP-1 initiation, and does not require injection. Orlistat is also significantly more affordable, with pricing at Cured Pharmacy starting from £124.99 compared to £124.99 for Wegovy and £124.99 for Mounjaro. For patients with a lower BMI (28-30 kg/m²), those who prefer oral medication, or individuals seeking a budget-conscious option, orlistat for weight loss remains a clinically appropriate first-line choice. Patients can discuss the most suitable option during their free online consultation with our UK-registered prescribers.

Accessing Orlistat for Weight Loss Through Cured Pharmacy

Orlistat for weight loss is available from Cured Pharmacy at the cheapest UK price of £124.99 with a streamlined online assessment process that takes under three minutes to complete. As a GPhC-registered pharmacy (registration number 9012511), Cured Pharmacy ensures all prescriptions are reviewed and approved by UK-registered prescribers in accordance with MHRA and General Pharmaceutical Council standards. New patients can Save £20 on their first order using code Weightlossnew, bringing the starting price to just £124.99.

Following clinical approval, orlistat is dispensed in discreet packaging with next-day delivery available across the UK. Our superintendent pharmacist, Tarun Kumar (GPhC 2233073), oversees all clinical services to ensure patient safety and regulatory compliance. Patients receive ongoing support from our clinical team, including guidance on dietary modification, managing side effects, and monitoring weight loss progress. For those seeking a proven, affordable, and non-injectable option for weight management, orlistat for weight loss represents a practical and evidence-based choice. Start your free online consultation today at Cured Pharmacy.

Next Steps: Starting Orlistat for Weight Loss

To begin treatment with orlistat for weight loss, complete the confidential online medical questionnaire on the Cured Pharmacy website. A UK-registered prescriber will review your medical history, current medications, weight loss goals, and any contraindications. If approved, your prescription will be dispensed and dispatched for next-day delivery. Patients are encouraged to combine orlistat with a structured dietary plan (limiting fat to <30% of daily calories), regular physical activity, and behavioural support to maximise weight loss outcomes and long-term success.

Scientific References

  1. Guerciolini, R. (1997). Mode of action of orlistat. International Journal of Obesity, 21(Suppl 3), S12-S23.
  2. Torgerson, J. S., Hauptman, J., Boldrin, M. N., & Sjöström, L. (2004). XENdos (XENical in the prevention of diabetes in obese subjects): A landmark study. Diabetes, Obesity and Metabolism, 6(6), 375-383.
  3. Xenical 120 mg hard capsules - Summary of Product Characteristics (SmPC). (2023). Electronic Medicines Compendium (eMC).
  4. National Institute for Health and Care Excellence. (2014). Obesity: Identification, assessment and management (Clinical guideline CG189). NICE.
  5. 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.

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 much weight can I lose with orlistat for weight loss?
Clinical trials show that orlistat for weight loss, combined with a reduced-calorie diet, can result in an average weight loss of 5-10% of initial body weight over one year, with some patients achieving greater reductions when adherent to dietary advice.
Can I buy orlistat for weight loss without a prescription in the UK?
Orlistat 60mg (Alli) is available over the counter, but the more effective 120mg strength requires a prescription from a UK-registered prescriber, which can be obtained through a free online consultation at Cured Pharmacy.
What happens if I eat high-fat foods while taking orlistat for weight loss?
Consuming high-fat meals while on orlistat for weight loss increases the likelihood of gastrointestinal side effects such as oily stools, faecal urgency, and spotting, as unabsorbed fat is excreted. Limiting fat to under 30% of daily calories minimises these effects.
Is orlistat for weight loss safe for long-term use?
Orlistat has been studied for up to four years in clinical trials and is considered safe for long-term use under prescriber supervision, provided patients achieve and maintain at least 5% weight loss and take a daily multivitamin to prevent fat-soluble vitamin deficiency.
How quickly does orlistat for weight loss start working?
Orlistat begins blocking fat absorption within 24-48 hours of the first dose. Clinically meaningful weight loss (≥5% of baseline weight) is typically observed within 12 weeks when combined with dietary modification and increased physical activity.
Can I take orlistat for weight loss if I have type 2 diabetes?
Yes, orlistat for weight loss is suitable for individuals with type 2 diabetes and has been shown to improve glycaemic control and reduce the risk of diabetes progression in prediabetic patients, though blood glucose should be monitored as weight loss may necessitate adjustment of diabetes medications.
Does orlistat for weight loss interact with the contraceptive pill?
Orlistat does not directly interact with oral contraceptives, but severe diarrhoea caused by orlistat may reduce contraceptive absorption. Patients experiencing diarrhoea should use additional barrier contraception and consult their prescriber.
What is the difference between orlistat for weight loss and Wegovy?
Orlistat for weight loss works by blocking fat absorption in the gut and is taken orally three times daily, while Wegovy (semaglutide) is a GLP-1 receptor agonist injection given weekly that reduces appetite and typically produces greater average weight loss but at a higher cost.
Tarun Kumar, Prescribing Pharmacist

Medically reviewed by

Tarun Kumar, Prescribing Pharmacist (GPhC 2233073)

Last reviewed: 30 July 2026