How Orlistat Works: Does Xenical Reduce Belly Fat?

pricing for mounjaro and wegovy weight loss

Understanding how orlistat works helps explain why it's prescribed for weight management. Orlistat blocks approximately one third of dietary fat absorption in your gut, preventing these calories from being stored. Available as generic orlistat 120mg (from £15.20 with EDM10), branded Xenical 120mg, or lower-strength Alli 60mg. All supplied by our GPhC-registered Leicester pharmacy following online clinical assessment. The mechanism is proven - orlistat inhibits lipase enzymes locally in your digestive system, allowing unabsorbed fat to pass naturally through your body. Ready to start? Complete your consultation today and get 10% off with code EDM10.

  • Blocks approximately one third of dietary fat absorption through proven lipase inhibition
  • Works locally in gut - not absorbed into bloodstream like stimulants
  • Generic orlistat from £15.20, Xenical from £19.35, Alli from £26.09 (with EDM10)
  • Next day delivery from GPhC-registered pharmacy after prescriber approval
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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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Ready to Order? Understanding The Mechanism First

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. When orlistat blocks them, approximately one third of the fat you eat cannot be digested or absorbed - it passes naturally through your body instead. This mechanism reduces calories from fat, supporting weight management alongside a reduced-calorie, lower-fat diet.

Why The Mechanism Matters For Results

Unlike stimulants that act on your brain, orlistat works locally in your gut. This targeted approach means it directly addresses dietary fat intake - often a key contributor to weight gain. The unabsorbed fat is eliminated naturally, reducing calorie absorption meal by meal. Our generic orlistat 120mg (4-week supply £29.69 with EDM10) provides the same mechanism as branded Xenical at significant savings.

Orlistat vs Xenical vs Alli - Same Proven Mechanism

All three products use the same fat-blocking mechanism. Orlistat 120mg and Xenical 120mg contain identical active ingredients - Xenical costs more as the branded version (£38.69 vs £29.69 for 4-week supply with EDM10). Alli 60mg uses half the dose, blocking a smaller proportion of dietary fat. Many patients choose generic orlistat for the proven mechanism at the lowest cost.

What To Expect From The Fat-Blocking Action

When orlistat blocks fat absorption, you may notice oily stools or increased bowel movements - this shows the mechanism working. Keeping meals low in fat (approximately 15g per meal) helps minimise these effects while maintaining the weight management benefits. The blocked fat must go somewhere, and natural elimination is how the mechanism functions.

Order Today - Proven Mechanism, Regulated Supply

Now you understand how orlistat blocks approximately one third of dietary fat through lipase inhibition, you can order with confidence. Complete our online assessment for prescriber review. Generic orlistat provides the proven mechanism from £15.20 (2-week supply with EDM10), dispensed by our Leicester-based GPhC-registered pharmacy with next day delivery. Use code EDM10 for 10% off every order.

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