What's the Difference Between Alli and Orlistat? Pack Sizes

pricing for mounjaro and wegovy weight loss

Understanding the difference between Alli and orlistat helps you choose the right weight loss treatment and pack size. Orlistat 120mg (prescription-only) and Xenical 120mg contain the same active ingredient, whilst Alli 60mg is half-strength. We offer 2, 4, 8 and 12-week supplies with significant savings on longer packs. Generic orlistat 12-week supply costs £95.99 (£86.39 with EDM10), compared to £128.99 for Xenical. All treatments work by blocking approximately one third of dietary fat absorption when used alongside a reduced-calorie, lower-fat diet. Complete our online clinical assessment today.

  • Multiple pack sizes available - 2, 4, 8 and 12-week supplies to suit your treatment plan
  • Significant savings on longer supplies - 12-week packs offer best value with EDM10 discount
  • Three treatment options - generic orlistat 120mg, branded Xenical 120mg, or Alli 60mg
  • Same-day prescriber review with next-day delivery across the UK from our Leicester pharmacy
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pricing for mounjaro and wegovy weight loss

*Pricing shown in some areas of this page may not be up to date. Please refer to the “Our Pricing Table” or the price shown after your consultation for the latest live pricing.

Live Pricing

Our Pricing

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Choose Your Orlistat Pack Size - Best Value Options

Orlistat vs Xenical vs Alli: Understanding Your Options

The main difference between these treatments lies in strength and cost. Orlistat 120mg and Xenical 120mg contain identical active ingredients at the same dose - the key difference is price. Generic orlistat offers the same clinical effect as branded Xenical but costs significantly less. Alli 60mg provides half the strength of prescription orlistat, making it a lower-dose starting option.

2-Week Supply Options

Perfect for first-time users wanting to try treatment, our 2-week supplies include orlistat 120mg (42 capsules) at £16.89 or £15.20 with EDM10, and Xenical 120mg at £21.50 or £19.35 with code EDM10. Two-week packs help you assess tolerance before committing to longer supplies.

4-Week Supply - Most Popular Choice

Our 4-week supplies offer excellent value whilst allowing treatment evaluation. Orlistat 120mg (84 capsules) costs £32.99 or £29.69 with EDM10, whilst Xenical costs £42.99 or £38.69 with discount. Alli 4-week supply (42 capsules) costs £28.99 or £26.09 with EDM10 - remember Alli is taken three times daily but at half strength.

8-Week Supply for Committed Users

Eight-week supplies provide substantial savings for established users. Orlistat 120mg (168 capsules) costs £63.99 or £57.59 with EDM10, compared to Xenical at £86.99 or £78.29 discounted. Alli 8-week supply costs £54.99 or £49.49 with code EDM10.

12-Week Supply - Maximum Savings

Our 12-week supplies offer the best value for long-term treatment. Generic orlistat (252 capsules) costs £95.99 or £86.39 with EDM10 - that's just £2.88 per week with discount. Xenical 12-week supply costs £128.99 or £116.09 discounted. Alli 12-week supply costs £129.99 or £116.99 with EDM10. Choose 12-week supplies to maximise your savings.

How All Three Treatments Work

Whether you choose orlistat, Xenical, or Alli, all contain the lipase inhibitor orlistat which blocks approximately one third of dietary fat absorption. The unabsorbed fat passes naturally through your digestive system. Treatment works best alongside a reduced-calorie, lower-fat diet with no more than 15g fat per meal to minimise gastrointestinal side effects.

Order Your Preferred Pack Size Today

Complete our online clinical assessment to determine which treatment and pack size suits your needs. Our UK-licensed prescribers review every application, and approved orders are dispensed by our GPhC-registered Leicester pharmacy with next-day delivery. Use code EDM10 for 10% off every order.

How it
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Once you complete a short online assessment, you’ll be able to choose your preferred treatment and quantity from a list of safe, medically approved options tailored to you.

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