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How Orlistat Blocks Fat Absorption
Orlistat works through a proven mechanism that targets fat digestion in your gut. Unlike appetite suppressants that affect your brain, orlistat acts locally in your digestive system by inhibiting lipase enzymes responsible for breaking down dietary fat. When these enzymes are blocked, approximately one third of the fat you eat cannot be digested or absorbed into your body. This unabsorbed fat passes naturally through your digestive system and is eliminated, reducing your calorie intake from dietary fat.
Why This Mechanism Makes Orlistat Effective
The lipase inhibition mechanism provides measurable, predictable results when combined with a reduced-calorie, lower-fat diet. Because orlistat blocks approximately one third of dietary fat absorption, you can reduce your calorie intake even when eating similar meals. This is why orlistat may help support weight management as part of a structured programme including dietary changes and increased physical activity.
Generic Orlistat vs Xenical vs Alli - Same Mechanism
All three products work through identical or related mechanisms. Generic orlistat 120mg and branded Xenical 120mg contain the same active ingredient at the same dose, providing identical fat-blocking effects. Both require prescription after clinical assessment and cost from £16.89 (orlistat) or £21.50 (Xenical) for 2-week supply. Alli 60mg uses the same mechanism at half the dose, available from £28.99 for 4-week supply. Understanding how they work helps you choose the right option for your needs.
What Happens When You Take Orlistat
When you take orlistat with a fat-containing meal, the medication immediately begins inhibiting lipase enzymes in your stomach and small intestine. The fat-blocking effect occurs with each dose, making it essential to take one capsule with each main meal containing fat. If you skip a meal or eat a fat-free meal, you can skip that dose. This direct relationship between taking orlistat and blocking dietary fat absorption demonstrates why the mechanism is so reliable when used correctly.
Why Fat Blocking Works for Weight Management
Fat contains 9 calories per gram - more than twice the calories of carbohydrates or protein. By blocking approximately one third of dietary fat absorption, orlistat can significantly reduce your calorie intake from fat while allowing normal digestion of proteins and carbohydrates. This targeted approach explains why orlistat works best alongside a lower-fat diet - you'll experience fewer side effects while maximising the weight management benefits of reduced fat absorption.
Order Your Orlistat Treatment Today
Now you understand how orlistat's proven fat-blocking mechanism works, you can make an informed treatment choice. Complete our online clinical assessment to access prescription orlistat 120mg from £16.89, Xenical from £21.50, or Alli 60mg from £28.99. Save 10% with code EDM10 on every order. Our UK-licensed prescribers will review your suitability, and our GPhC-registered pharmacy provides next-day delivery. Start your weight management journey today with the medication that blocks approximately one third of dietary fat absorption.
