How Orlistat Works: Can It Make You Constipated?

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Understanding how orlistat works helps explain potential digestive effects. Orlistat blocks approximately one third of dietary fat absorption in your gut by inhibiting lipase enzymes. This unabsorbed fat passes through your system, which can affect bowel movements differently than constipation. Generic orlistat 120mg starts from £32.99 for 4 weeks (£29.69 with code EDM10), while Xenical costs £42.99 (£38.69 with EDM10). Both work identically - the mechanism proves the medicine is effective. Buy orlistat online today from our GPhC-registered Leicester pharmacy following clinical assessment.

  • Blocks approximately one third of dietary fat - proven mechanism that works
  • Acts locally in gut, not absorbed into bloodstream significantly
  • Same clinical effect whether you choose generic orlistat or branded Xenical
  • Available from £29.69 for 4 weeks with EDM10 discount code
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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 Fat-Blocking Mechanism Works

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 body. When orlistat blocks these enzymes, approximately one third of the fat you eat cannot be digested or absorbed. This unabsorbed fat passes naturally through your system and is excreted. The mechanism is proof that orlistat works - you can buy generic orlistat 120mg from £32.99 for 84 capsules (£29.69 with EDM10) or branded Xenical from £42.99 (£38.69 with EDM10).

Can Orlistat Cause Constipation?

Orlistat typically doesn't cause constipation. Instead, the unabsorbed fat passing through your system may cause oily or loose stools, increased bowel frequency, or urgent bowel movements. These effects occur because approximately one third of dietary fat isn't absorbed and must be eliminated. The mechanism actually tends to increase rather than decrease bowel movements. If you experience unusual digestive symptoms, consult your prescriber. Buy orlistat online today - our UK-licensed prescribers will assess your suitability.

Why the Fat-Blocking Mechanism Proves Effectiveness

The visible effects of orlistat's mechanism demonstrate it's working. When unabsorbed fat appears in stools, this confirms approximately one third of dietary fat is being blocked from absorption. This reduces calorie intake from fat when combined with a lower-fat, reduced-calorie diet. Generic orlistat 120mg offers the same fat-blocking mechanism as branded Xenical at significant savings. Choose your 8-week supply: generic orlistat £63.99 (£57.59 with EDM10) versus Xenical £86.99 (£78.29 with EDM10).

Orlistat vs Xenical - Same Mechanism, Different Price

Both generic orlistat 120mg and Xenical 120mg contain identical active ingredients and work through the same fat-blocking mechanism. They both inhibit lipase enzymes and block approximately one third of dietary fat absorption. The clinical effect is identical - only the cost differs. Generic orlistat provides substantial savings: 12-week supply costs £95.99 (£86.39 with EDM10) compared to Xenical at £128.99 (£116.09 with EDM10). Save over £29 by choosing generic while getting the same proven mechanism.

Order Your Fat-Blocking Treatment Today

Now you understand how orlistat's fat-blocking mechanism works, order your treatment from our GPhC-registered pharmacy. Complete an online clinical assessment reviewed by UK-licensed prescribers. Choose from 2-week starter packs or 12-week supplies. Generic orlistat offers the best value, while Xenical provides the branded option. All orders include 10% off with code EDM10 and next-day delivery. Start your weight management journey with proven fat-blocking medication today.

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