Why Understanding Orlistat's Mechanism Matters
How Orlistat Blocks Fat Absorption
Orlistat works by inhibiting lipase enzymes in your digestive system. These enzymes normally break down dietary fat so your body can absorb it. When orlistat blocks these enzymes, approximately one third of the fat you eat cannot be digested or absorbed. This unabsorbed fat passes naturally through your body, reducing the calories absorbed from fatty foods.
The Science Behind Fat Blocking
Unlike appetite suppressants that work in your brain, orlistat acts locally in your gut. It's not absorbed into your bloodstream in significant amounts. This targeted mechanism means orlistat specifically addresses dietary fat while allowing normal absorption of carbohydrates and proteins. The effect is directly related to your meal's fat content - lower fat meals mean fewer side effects.
Why Vitamins Matter With Orlistat
Because orlistat blocks fat absorption, it can also reduce absorption of fat-soluble vitamins (A, D, E, and K). Taking a daily multivitamin at bedtime (at least 2 hours after your last orlistat dose) helps maintain proper nutrition. This simple step ensures you get essential vitamins while benefiting from orlistat's fat-blocking action.
Choose Your Orlistat Option
Generic orlistat 120mg offers the most cost-effective option at £29.69 for 4 weeks with EDM10. Xenical 120mg provides the same clinical effect as the branded version for £38.69 (4 weeks with EDM10). Alli 60mg offers a lower-strength option at £26.09 (4 weeks with EDM10). All work through the same proven fat-blocking mechanism.
Start Your Treatment Today
Now you understand how orlistat blocks approximately one third of dietary fat, you can see why it's an effective weight management tool. Our UK-licensed prescribers assess your suitability through a simple online consultation. Treatment is dispensed by our GPhC-registered pharmacy in Leicester with discreet next-day delivery. Use code EDM10 for 10% off every order.
