How Orlistat Works: Xenical vs Alli Comparison

pricing for mounjaro and wegovy weight loss

Understanding how orlistat works helps you choose between Xenical and Alli. Orlistat blocks approximately one third of dietary fat absorption in your gut, supporting weight management alongside a reduced-calorie diet. Generic orlistat 120mg starts from £29.69 (4 weeks with EDM10), Xenical costs £38.69, while Alli 60mg is £26.09. All require clinical assessment except Alli. The mechanism is proven - orlistat inhibits lipase enzymes locally in your digestive system. Get 10% off every order with code EDM10. Buy orlistat online today from our GPhC-registered Leicester pharmacy.

  • Blocks approximately one third of dietary fat absorption through proven lipase inhibition
  • Works locally in your gut - not absorbed into bloodstream significantly
  • Same mechanism in all strengths - 120mg more potent than 60mg Alli
  • Clinical assessment included - prescription dispensed by qualified UK pharmacy
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pricing for mounjaro and wegovy weight loss

*Pricing shown in some areas of this page may not be up to date. Please refer to the “Our Pricing Table” or the price shown after your consultation for the latest live pricing.

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Why Orlistat's Mechanism Makes It Worth Buying

How Orlistat Blocks Fat - The Science That Works

Orlistat works through a targeted mechanism that blocks approximately one third of dietary fat from being absorbed. When you eat fat, enzymes called lipases break it down for absorption. Orlistat inhibits these lipase enzymes in your gut, preventing fat breakdown. The unabsorbed fat passes naturally through your system. This proven mechanism means orlistat actively reduces calories from fat intake - not through brain chemistry or stimulants, but through direct gut action.

Comparing Orlistat Strengths - 120mg vs 60mg

The mechanism works identically across all orlistat products, but strength matters. Orlistat 120mg and Xenical 120mg contain the same active dose, blocking approximately one third of dietary fat effectively. Generic orlistat 120mg costs £29.69 for 4 weeks with EDM10 - £9 less than branded Xenical at £38.69. Alli 60mg uses the same mechanism at half strength, costing £26.09 for 4 weeks. Higher strength means more potent fat blocking, but all work through lipase inhibition.

Why the Gut-Based Mechanism Matters

Unlike appetite suppressants that affect your brain, orlistat works locally in your digestive system. It's not significantly absorbed into your bloodstream, focusing action where dietary fat is processed. This targeted approach means the mechanism directly addresses fat calories from meals. When you understand that orlistat blocks approximately one third of meal fat, you see why it supports weight management alongside a lower-fat diet. The mechanism proves it works - unabsorbed fat elimination is measurable.

Buy Orlistat Online - Mechanism-Based Results

Now you understand how orlistat blocks approximately one third of dietary fat through lipase inhibition, you can choose confidently. Our 8-week orlistat supply costs £57.59 with EDM10, while 12-week treatment costs £86.39. Xenical pricing runs £78.29 and £116.09 respectively. All require online clinical assessment by UK-licensed prescribers. Your prescription is included - no separate GP visit needed. Order today from our GPhC-registered pharmacy with next-day delivery across the UK.

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