Why the Mechanism Matters - Order Your Treatment
How Orlistat's Fat-Blocking Mechanism Works
Orlistat works through a scientifically proven mechanism that targets lipase enzymes in your digestive system. These enzymes are responsible for breaking down dietary fat so it can be absorbed into your body. When you take orlistat 120mg capsules, the active ingredient binds to these lipase enzymes and inhibits their function.
This inhibition means approximately one third of the fat you consume cannot be digested or absorbed. Instead, this unabsorbed fat passes naturally through your digestive system and is eliminated from your body. This mechanism directly reduces the calories you absorb from dietary fat, supporting weight management alongside a reduced-calorie, lower-fat diet.
Why Both Orlistat and Xenical Work Identically
Whether you choose generic orlistat 120mg or branded Xenical 120mg, the mechanism of action is identical. Both contain the same active ingredient at the same dose, providing the same fat-blocking effect. Generic orlistat offers excellent value at £32.99 for 4 weeks (£29.69 with EDM10), while Xenical provides the branded option at £42.99 for 4 weeks (£38.69 with EDM10).
The mechanism doesn't change between products - both block approximately one third of dietary fat absorption through lipase inhibition. Your choice depends on personal preference and budget, as the clinical effect remains consistent.
Local Action, Systemic Benefits
Understanding that orlistat works locally in your gut, rather than being absorbed into your bloodstream, explains why it's effective yet well-tolerated by most patients. The medication acts where dietary fat is digested, providing targeted intervention without systemic effects on your brain or other organs.
This localised mechanism means orlistat doesn't suppress appetite or stimulate your central nervous system. Instead, it works mechanically to prevent fat absorption, making it suitable for long-term weight management when used alongside appropriate dietary changes.
Evidence-Based Fat Reduction
The mechanism of blocking approximately one third of dietary fat absorption has been extensively studied in clinical trials. This proven action means orlistat can support meaningful calorie reduction when you're following a structured weight management programme.
For optimal results, keep each meal to around 15g of fat or less. This dietary approach minimises gastrointestinal side effects while maximising the weight management benefits of orlistat's fat-blocking mechanism. Order your 8-week supply of orlistat 120mg for £63.99 (£57.59 with EDM10) to experience this proven mechanism yourself.
Start Your Treatment Today
Now you understand how orlistat's lipase-inhibiting mechanism blocks approximately one third of dietary fat, you can make an informed decision about your weight management treatment. Complete our online clinical assessment to access prescription-strength orlistat or Xenical, dispensed by our GPhC-registered pharmacy with next-day delivery across the UK.


