How Orlistat's Fat-Blocking Mechanism Drives Results
How Orlistat Works in Your Digestive System
Orlistat works by inhibiting lipase enzymes in your gut 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 digestive system and is excreted. Unlike appetite suppressants that work in the brain, orlistat acts locally in your gut and is not significantly absorbed into your bloodstream, making it a targeted approach to reducing calorie intake from dietary fat.
Why the Mechanism Matters for Weight Management
Understanding this fat-blocking action explains why orlistat can support weight management when used alongside a reduced-calorie, lower-fat diet. By preventing approximately one third of dietary fat absorption, orlistat helps create a caloric deficit that may contribute to weight loss. The mechanism works best when meals contain no more than 15g of fat each - this not only maximises effectiveness but also minimises the gastrointestinal side effects that occur when unabsorbed fat passes through your system.
Cheapest Orlistat Prices at EverydayMeds
Now you understand how orlistat's fat-blocking mechanism works, you can choose the most cost-effective option. Generic orlistat 120mg delivers identical fat-blocking action to branded Xenical at significantly lower prices. Our 4-week supply costs £32.99 (£29.69 with EDM10), compared to Xenical at £42.99 (£38.69 with EDM10). For longer treatment periods, our 12-week orlistat supply offers exceptional value at £95.99 (£86.39 with EDM10) versus Xenical's £128.99 (£116.09 with EDM10). Both contain the same 120mg orlistat dose with identical fat-blocking mechanisms.
Clinical Assessment and Prescription Process
Following an online clinical assessment, a UK-licensed prescriber will review your suitability for orlistat treatment. The assessment considers your BMI, medical history, and weight-related health factors to determine if orlistat's fat-blocking mechanism is appropriate for your circumstances. Orlistat may be suitable for adults with a BMI of 30 or above, or 28 and above with weight-related health conditions like type 2 diabetes or high blood pressure. Once approved, your prescription is dispensed by our GPhC-registered pharmacy and delivered discreetly to your address.
Maximising Orlistat's Fat-Blocking Benefits
To optimise orlistat's mechanism, take one 120mg capsule with each main meal containing fat, up to three times daily. The fat-blocking action works meal by meal - if you skip a meal or eat a fat-free meal, you can omit that dose. Spread your daily fat intake evenly across three meals and consider a multivitamin supplement taken at bedtime, as orlistat may reduce absorption of fat-soluble vitamins. Most patients experience the gastrointestinal effects that indicate the fat-blocking mechanism is working, but these typically diminish as you adapt to a lower-fat diet.
Start Your Fat-Blocking Treatment Today
Now you understand exactly how orlistat blocks approximately one third of dietary fat absorption, take the next step towards your weight management goals. Complete our online assessment to see if orlistat's proven mechanism is right for you, and benefit from the UK's most competitive pricing with 10% off every order using code EDM10.


