What Is Orlistat?
Orlistat works by blocking the action of lipase, an enzyme in the digestive system that breaks down fat into smaller molecules that can be absorbed into the bloodstream. It does not affect the absorption of carbohydrates or protein, nor does it affect the absorption of essential vitamins and minerals.
When you take Orlistat, it attaches to lipase and prevents it from breaking down some of the fat you eat. Instead, the fat passes through your digestive system and is eliminated in your stool. This means you absorb fewer calories from the fat you eat, which can help you lose weight.
The treatment is most effective with a healthy diet and regular exercise; studies have shown that people who take Orlistat and follow a reduced-calorie diet lose more weight than those who only follow a reduced-calorie diet.