By eHow Health Editor
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Xenical is the trade name for tetrahydrolipstatin, an anti-obesity drug. It is a potent pancreatic lipase inhibitor that is isolated from the Streptomyces toxytricini bacterium. The absence of lipase prevents triglycerides from being digested, and they are eliminated undigested through the feces. The following steps will show how to lose weight with Xenical.
eHow Health Editor