The Science Behind Orlistat's Fat-Blocking Action
How Orlistat Blocks Fat Absorption From Your First Dose
Orlistat begins working with your very first capsule by targeting lipase enzymes in your digestive system. These enzymes normally break down dietary fat into smaller molecules that your body can absorb. When you take orlistat 120mg with a meal, it inhibits approximately one third of these lipases, meaning around 30% of the fat you eat cannot be digested or absorbed. This unabsorbed fat passes naturally through your digestive system and is eliminated from your body.
Unlike stimulants or appetite suppressants that work in your brain, orlistat acts locally in your gut. This targeted mechanism means you can see evidence of it working - the presence of unabsorbed fat in your stools confirms the medication is blocking fat absorption as intended.
Why Generic Orlistat Delivers the Same Results as Xenical
Both generic orlistat 120mg (£29.69 for 4 weeks with EDM10) and branded Xenical 120mg (£38.69 for 4 weeks with EDM10) contain identical active ingredients at the same dose. The fat-blocking mechanism is clinically equivalent - both inhibit approximately one third of dietary fat absorption through the same lipase inhibition process.
Choosing generic orlistat saves you over £100 annually compared to Xenical, whilst delivering exactly the same therapeutic effect. Many patients prefer the cost-effective generic option, whilst others choose branded Xenical. Your clinical outcome depends on the orlistat mechanism, not the brand name.
Maximising Orlistat's Fat-Blocking Effectiveness
Orlistat works most effectively when you spread your daily fat intake evenly across three main meals, with no more than 15g fat per meal. This approach optimises the medication's fat-blocking action whilst minimising gastrointestinal side effects. When you eat high-fat meals, orlistat still blocks approximately one third of that fat, but the larger amount of unabsorbed fat increases the likelihood of oily stools and digestive discomfort.
Taking orlistat immediately before, during, or up to one hour after each main meal ensures the medication is present when fat digestion occurs. If you skip a meal or eat a fat-free meal, you can skip that dose since there's no dietary fat for orlistat to block.
Start Your Treatment Today With EverydayMeds
Now you understand orlistat's proven fat-blocking mechanism, you can begin treatment through our streamlined online service. Our UK-licensed prescribers assess your suitability through a comprehensive health questionnaire, considering your BMI, medical history, and weight management goals. If clinically appropriate, your prescription is processed and dispensed by our GPhC-registered pharmacy in Leicester.
Choose from flexible pack sizes: 42 capsules (£15.20 with EDM10) for a 2-week trial, 84 capsules (£29.69) for monthly treatment, or 252 capsules (£86.39) for a complete 12-week programme. All orders include next-day tracked delivery, and code EDM10 gives you 10% off every order as a new or returning customer.
