Why Understanding Orlistat's Mechanism Matters
How Orlistat Works in Your Body
Orlistat works by inhibiting lipase enzymes in your digestive system that normally break 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 system, reducing your calorie intake from dietary fat. Unlike appetite suppressants that act on the brain, orlistat works locally in your gut and isn't significantly absorbed into your bloodstream.
Why the Mechanism Proves Clinical Effectiveness
The lipase inhibition mechanism is precisely why orlistat has MHRA approval for weight management in adults with BMI 30+ or BMI 28+ with weight-related health conditions. By blocking approximately one third of dietary fat absorption, orlistat can support meaningful calorie reduction when combined with a reduced-calorie, lower-fat diet. This scientifically-proven mechanism explains why healthcare professionals prescribe orlistat as part of structured weight management programmes.
Xenical vs Generic Orlistat - Same Mechanism, Different Prices
Both Xenical 120mg and generic orlistat 120mg contain identical active ingredients and work through the same lipase inhibition mechanism. Generic orlistat 4-week supply costs £32.99 (£29.69 with EDM10), while branded Xenical costs £42.99 (£38.69 with EDM10). The clinical effect is identical - generic orlistat simply offers the same proven mechanism at a lower price. Your prescriber will discuss which option suits your needs during online consultation.
Maximising How Orlistat Works
Understanding the mechanism helps you use orlistat effectively. Since it blocks approximately one third of dietary fat, keeping meals low in fat (around 15g per meal) optimises results while minimising gastrointestinal side effects. The medicine works best when taken with each main meal containing fat - if you skip a meal or eat a fat-free meal, you can skip that dose. This targeted approach means orlistat works precisely when and where you need it.
Professional Prescription Process
Our UK-licensed prescribers assess your suitability through online clinical consultation, considering your BMI, health history, and weight management goals. Following prescriber approval, our GPhC-registered Leicester pharmacy dispenses your orlistat or Xenical with next day tracked delivery. All pack sizes available: 2-week (42 capsules), 4-week (84 capsules), 8-week (168 capsules), and 12-week (252 capsules) supplies. Use code EDM10 for 10% off every order.
