The Science Behind Orlistat - Why It Works
How Orlistat Blocks Fat Absorption
Orlistat works through a clinically proven mechanism that targets fat digestion in your gut. Unlike appetite suppressants that act on the brain, orlistat inhibits 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. This unabsorbed fat passes naturally through your digestive system, reducing your caloric intake from dietary fat.
Why This Mechanism Makes Orlistat Effective
The lipase inhibition mechanism provides measurable fat blocking that you can see working. Because orlistat acts locally in your digestive system rather than being absorbed into your bloodstream, it directly prevents fat calories from contributing to weight gain. Generic orlistat 120mg (from £29.69 for 4 weeks with EDM10) and branded Xenical 120mg (from £38.69 for 4 weeks with EDM10) contain identical active ingredients with the same proven mechanism.
What Happens to Blocked Fat
The approximately one third of dietary fat that orlistat blocks doesn't disappear - it passes through your body unchanged. This is why maintaining a lower-fat diet is essential when taking orlistat. High-fat meals increase gastrointestinal side effects as more unabsorbed fat passes through your system. The mechanism works best when each meal contains no more than 15g fat, maximising effectiveness while minimising side effects.
Orlistat vs Other Weight Loss Approaches
Understanding orlistat's mechanism shows why it's different from other weight management approaches. Rather than affecting hunger signals or metabolism, orlistat provides direct fat blocking action. This mechanism means results are directly related to dietary fat intake - eat less fat, experience fewer side effects while still getting the weight management support. The same mechanism works whether you choose generic orlistat or branded Xenical.
Getting Started with Orlistat
Now you understand how orlistat's fat-blocking mechanism works, getting started is straightforward. Complete our online clinical assessment for review by UK-licensed prescribers. If prescribed, choose from generic orlistat (most cost-effective), branded Xenical (same mechanism, premium option), or lower-dose Alli 60mg. All options work through the same proven lipase inhibition mechanism. Order today with 10% off using code EDM10 - next day delivery available across the UK.


