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Glossary

What is Orlistat?

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Orlistat

Orlistat is a weight-loss pill that blocks some fat from being absorbed in the gut, sold by prescription as Xenical and over the counter as Alli.

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In plain words

Orlistat works in the gut, not the brain.

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Why it matters

Orlistat is the only FDA-approved weight-loss medicine sold over the counter, so it is often the first thing people find in a pharmacy aisle.

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Orlistat is a weight-loss pill that blocks some fat from being absorbed in the gut, sold by prescription as Xenical and over the counter as Alli.

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