The only FDA-approved weight loss medications are sibutramine (Meridia), orlistat (Xenical), and phentermine.

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Nor was Meridia (sibutramine), which Abbott Laboratories voluntarily withdrew from the market in October due to an increased risk for heart attack and stroke.

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After years of controversy, the Food and Drug Administration has asked Abbott Laboratories to yank the weight loss drug Meridia, generically known as sibutramine, from the market as a result of a large clinical trial that found the drug increased the rate of heart attack and stroke in patients at high cardiovascular risk.

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