Ready to Start? Order Your Prescription Today
The Science Behind Orlistat's Fat-Blocking Action
Prescription strength orlistat works through a scientifically proven mechanism that directly targets fat absorption in your digestive system. When you take orlistat 120mg with meals, it inhibits lipase enzymes responsible for breaking down dietary fat. This means approximately one third of the fat you eat cannot be digested or absorbed into your body - it simply passes through your system naturally.
Why This Mechanism Makes Orlistat Effective
Unlike appetite suppressants that work on the brain, orlistat acts locally in your gut where fat digestion occurs. This targeted approach means the medication works regardless of willpower or hunger levels. Each 120mg capsule provides the same proven fat-blocking action whether you choose generic orlistat from £29.69 per month or branded Xenical from £38.69 per month with EDM10 discount.
What Happens to Blocked Fat
The approximately one third of dietary fat that orlistat blocks doesn't accumulate in your body - it's eliminated naturally through bowel movements. This is why maintaining a lower-fat diet helps minimise side effects while maximising the weight management benefits. The remaining two thirds of fat is processed normally, so orlistat supports rather than replaces healthy eating habits.
Proven Clinical Mechanism
Orlistat's lipase inhibitor mechanism has been extensively studied and approved by UK medicines regulators. The medication demonstrates consistent fat-blocking action when taken three times daily with main meals. Our UK-licensed prescribers can assess whether this proven mechanism is suitable for your weight management goals through a confidential online consultation.
Order Your Prescription Today
Now you understand how prescription strength orlistat works to block approximately one third of dietary fat, you can make an informed decision about starting treatment. Choose from orlistat 120mg capsules (£57.59 for 8 weeks), Xenical 120mg (£78.29 for 8 weeks), or lower-strength Alli 60mg (£49.49 for 8 weeks) - all with 10% off using code EDM10. Complete your online assessment today and get next-day delivery across the UK.


