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How does Alli (orlistat) work?

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Alli belongs to a class of drugs called lipase inhibitors. It blocks the intestines from absorbing about 25% of the fat that you eat. Fats that aren’t absorbed leave your body through bowel movements. Some data suggest that Alli helps reduce the amount of a particularly dangerous type of belly fat called visceral fat, which has been linked to type 2 diabetes, high blood pressure, heart disease, and stroke.

From: Alli: Everything You Need to Know WebMD Medical Reference

SOURCES: 

FDA : "Orlistat (marketed as Alli and Xenical): Labeling Change;" "Questions and Answers: Orlistat and Severe Liver Injury;" and "Orlistat (Alli) Packaging Label Insert." 

MedlinePlus: "Orlistat."

Reviewed by Melinda Ratini on March 8, 2018

SOURCES: 

FDA : "Orlistat (marketed as Alli and Xenical): Labeling Change;" "Questions and Answers: Orlistat and Severe Liver Injury;" and "Orlistat (Alli) Packaging Label Insert." 

MedlinePlus: "Orlistat."

Reviewed by Melinda Ratini on March 8, 2018

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Is Alli (orlistat) right for me?

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