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All About Alli: What is Alli?

By Jennifer R. Scott, About.com

Updated: June 29, 2009

About.com Health's Disease and Condition content is reviewed by our Medical Review Board

What is Alli]?


Alli (pronounced ally) is the first over-the-counter, FDA-approved weight loss pill. It became available at retailers in the U.S. in June 2007.

Alli is only available in 60-mg capsules. It is sold as a 60-count starter pack, a 90-count starter pack, and a 120-count refill.

Alli is comprised of a half-dose of the prescription-only weight loss medication known as Xenical. The active ingredient in both pills is orlistat.

The starter kits include detailed information about the dietary changes required in order for the pill to work correctly.

At this time, Alli is considered safe for long-term use.

How Do I Learn More?

The makers of Alli have published a book called The Alli Diet Plan that will help you learn to take Alli correctly and plan appropriate meals to eat in conjunction with its use.

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