How Orlistat Works: Understanding the Mechanism

pricing for mounjaro and wegovy weight loss

Understanding how orlistat works helps explain why it's effective for weight management. Orlistat blocks approximately one third of dietary fat absorption in your gut, allowing undigested fat to pass through naturally. Available as generic orlistat 120mg from £15.20 (with EDM10), branded Xenical from £19.35, or Alli 60mg from £26.09. All require clinical assessment by our UK-licensed prescribers. The mechanism is proven - it works locally in your digestive system to reduce calorie intake from fat. Order today with 10% off using code EDM10.

  • Blocks approximately one third of dietary fat absorption
  • Works locally in the gut - not absorbed systemically
  • Proven lipase inhibitor mechanism of action
  • Available from £15.20 with prescription included
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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 Understanding the Mechanism Matters for Your Purchase

How Orlistat Actually Works in Your Body

Orlistat's mechanism of action is straightforward and scientifically proven. It works as a lipase inhibitor, blocking enzymes in your digestive system that break down dietary fat. When you take orlistat with meals, it prevents approximately one third of the fat you eat from being absorbed into your bloodstream. This unabsorbed fat passes naturally through your body, effectively reducing your calorie intake from dietary sources.

The Science Behind Fat Blocking

Unlike appetite suppressants that act on your brain, orlistat works locally in your gut. It binds to lipase enzymes in your stomach and small intestine, preventing them from breaking down fat molecules into smaller components that can be absorbed. This means the mechanism is predictable - the more fat in your meal, the more orlistat works, though keeping meals low in fat minimises side effects.

Why This Mechanism Makes Orlistat Effective

Because orlistat blocks approximately one third of dietary fat absorption, it creates a calorie deficit that supports weight management. Combined with a reduced-calorie, lower-fat diet, this mechanism can contribute to meaningful weight reduction. The effect is immediate with each meal, making it a reliable support tool for your weight management programme.

Three Options Available at EverydayMeds

Generic orlistat 120mg offers the most cost-effective option from £16.89 for a 2-week supply (£15.20 with EDM10). Branded Xenical 120mg contains the identical active ingredient and mechanism for £21.50 (£19.35 with EDM10). Alli 60mg provides a lower-strength option at £28.99 for 4 weeks (£26.09 with EDM10). All work through the same fat-blocking mechanism.

Order Today - Prescription Assessment Included

Now you understand how orlistat works, you can order with confidence. Our UK-licensed prescribers will assess your suitability through an online clinical consultation. If appropriate, your prescription will be issued and dispensed by our GPhC-registered Leicester pharmacy. Next day delivery available with 10% off every order using code EDM10.

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