Why Understanding Orlistat's Mechanism Matters
The Science Behind Orlistat's Fat Blocking Action
Orlistat works through a proven mechanism that targets lipase enzymes in your digestive system. These enzymes normally break down dietary fat so it can be absorbed. When you take orlistat, it inhibits these lipases, preventing approximately one third of the fat you eat from being digested and absorbed. This unabsorbed fat passes naturally through your body, reducing your calorie intake from dietary sources.
This mechanism makes orlistat fundamentally different from appetite suppressants or stimulants. It acts locally in your gut rather than affecting your brain or central nervous system. The effect is directly related to your meal's fat content – lower fat meals mean fewer side effects and optimal results.
Why "Approximately One Third" Makes Orlistat Effective
Orlistat doesn't block all dietary fat – it targets approximately one third. This partial blocking is clinically proven to support meaningful weight management when combined with a reduced-calorie, lower-fat diet. The remaining two thirds of fat is still absorbed normally, ensuring your body receives essential fatty acids while reducing overall calorie absorption.
At EverydayMeds, generic orlistat 120mg costs from £29.69 per month with code EDM10, while branded Xenical costs £38.69 monthly. Both contain identical 120mg doses with the same fat-blocking mechanism, giving you choice between value and branded preference.
How the Fat Blocking Process Works in Your Body
When you take orlistat with a meal containing fat, the medication binds to lipase enzymes in your stomach and small intestine. This binding prevents these enzymes from breaking down approximately 30% of triglycerides (dietary fats) into absorbable components. The undigested fat continues through your digestive system and is eliminated naturally.
This process means orlistat only works when you eat fat-containing meals. If you skip a meal or eat something fat-free, you can skip that dose. The standard dosing is one 120mg capsule with each main meal, up to three times daily. Our 84-capsule packs provide a full month's supply at £32.99 (£29.69 with EDM10).
Comparing Your Options: Generic vs Branded
Understanding how orlistat works helps you choose between generic orlistat 120mg and branded Xenical 120mg. Both use identical mechanisms to block approximately one third of dietary fat absorption. The active ingredient, dose, and clinical effect are the same – the key difference is cost.
Generic orlistat offers significant savings: a 12-week supply costs £95.99 (£86.39 with EDM10) compared to Xenical at £128.99 (£116.09 with EDM10). For those preferring a lower-strength option, Alli 60mg provides the same mechanism at half dose, starting from £26.09 monthly with EDM10.
Start Your Treatment Today
Now you understand orlistat's proven fat-blocking mechanism, take the next step toward your weight management goals. Our online consultation takes minutes, with review by UK-licensed prescribers and next-day delivery from our GPhC-registered Leicester pharmacy. All prescriptions include 10% off with code EDM10 – use it on every order as a new or returning customer.
