How Orlistat Works: Blocks One Third of Dietary Fat

pricing for mounjaro and wegovy weight loss

Understanding how orlistat works proves why it's effective for weight management. Orlistat blocks approximately one third of dietary fat absorption by inhibiting lipase enzymes in your gut. Available as generic orlistat 120mg from £32.99 (£29.69 with EDM10), branded Xenical from £42.99, or lower-strength Alli 60mg from £28.99. All supplied by our GPhC-registered Leicester pharmacy following online clinical assessment. The mechanism is scientifically proven - unabsorbed fat passes naturally through your body. Get 10% off every order with code EDM10.

  • Blocks approximately one third of dietary fat from being absorbed
  • Works locally in the gut - not absorbed into bloodstream
  • Generic orlistat saves £9+ monthly versus Xenical brand
  • Next day delivery with 10% off code EDM10
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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.

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Why Orlistat's Mechanism Makes It Worth Buying

Proven Fat-Blocking Mechanism

Orlistat works by inhibiting lipase enzymes in your digestive system that break down dietary fat. When these enzymes are blocked, approximately one third of the fat you eat cannot be digested or absorbed. This unabsorbed fat passes naturally through your body, reducing calorie intake from dietary sources. The mechanism is scientifically proven and works locally in your gut rather than affecting your brain or bloodstream.

Orlistat vs Xenical: Same Mechanism, Different Price

Both generic orlistat 120mg and branded Xenical 120mg contain identical active ingredients and work through the same fat-blocking mechanism. The clinical effect is equivalent - both block approximately one third of dietary fat absorption. Generic orlistat costs £32.99 for 4 weeks (£29.69 with EDM10) versus Xenical at £42.99 (£38.69 with EDM10), saving you over £100 annually whilst providing identical results.

How the Three-Times-Daily Dosing Works

Take one 120mg capsule with each main meal containing fat - typically breakfast, lunch and dinner. The orlistat blocks fat absorption from that specific meal, so consistent dosing maximises the mechanism's effectiveness. Our 84-capsule pack provides exactly 4 weeks of treatment at £32.99. If you miss a meal or eat a fat-free meal, you can skip that dose as there's no fat to block.

Why Lower Fat Intake Enhances Results

Keeping meals to approximately 15g fat each optimises orlistat's mechanism whilst minimising gastrointestinal effects. When you eat high-fat meals, more unabsorbed fat passes through your system, potentially causing oily stools or urgent bowel movements. The mechanism works best with a reduced-calorie, lower-fat diet - proving you're committed to lasting weight management.

Alli 60mg: Half-Strength Alternative

Alli contains 60mg orlistat - half the prescription strength. It works through the same lipase-blocking mechanism but affects a smaller proportion of dietary fat. Our 4-week Alli supply costs £28.99 (£26.09 with EDM10). Some patients prefer starting with the lower dose, though prescription-strength orlistat 120mg provides more significant fat-blocking action.

Fast Access Through Online Prescription

Get orlistat prescribed through our streamlined online process. Complete the clinical questionnaire, receive UK prescriber review, and get next-day delivery from our GPhC-registered Leicester pharmacy. The prescription is included in our prices - no separate GP appointment needed. Order today with code EDM10 for 10% off every purchase.

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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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