The Science Behind Orlistat's Fat-Blocking Action
How Orlistat Blocks Fat Absorption
Orlistat works by inhibiting lipase enzymes in your digestive system. These enzymes normally break down dietary fat so it can be absorbed into your bloodstream. When orlistat blocks approximately one third of these enzymes, that portion of fat cannot be digested and passes through your body naturally. This mechanism reduces calorie intake from fatty foods, supporting weight management when combined with a reduced-calorie, lower-fat diet.
Why the Mechanism Proves Orlistat Works
Unlike appetite suppressants that work in the brain, orlistat's fat-blocking action is measurable and direct. You'll often notice the unabsorbed fat being eliminated, which demonstrates the medication is working effectively. This local action in the gut means orlistat doesn't affect your central nervous system - it simply prevents approximately one third of dietary fat from contributing to your calorie intake.
Generic Orlistat vs Xenical: Same Proven Mechanism
Both generic orlistat 120mg (from £29.69/month) and branded Xenical 120mg (from £38.69/month) contain identical active ingredients and work through the same fat-blocking mechanism. Our UK prescribers can assess which option suits your needs and budget. The 4-week supply of generic orlistat costs £32.99 (£29.69 with EDM10), while Xenical costs £42.99 (£38.69 with EDM10). Both require the same online clinical assessment.
Maximising Orlistat's Fat-Blocking Benefits
To optimise orlistat's mechanism, keep meals to approximately 15g fat each. This reduces gastrointestinal side effects while ensuring the medication works effectively. Take one 120mg capsule with each main meal containing fat - up to three times daily. When you eat lower-fat meals, orlistat blocks a smaller amount of fat, which means fewer side effects but still effective weight management support.
Fast Access Through Online Prescribing
Our Leicester-based GPhC-registered pharmacy dispenses orlistat following online clinical assessment by UK-licensed prescribers. Complete your consultation today and receive next day delivery across the UK. All orlistat products include the prescription cost - no separate GP appointment needed. Use code EDM10 for 10% off your order, whether you choose generic orlistat or branded Xenical.
