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Kava: a supplement to avoid.(Health Alert)

Consumer Reports

| March 01, 2003 | COPYRIGHT 2003 Consumers Union of the United States, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)Copyright

The case against kava, one of the top-selling herbal supplements, has picked up momentum. Noting its association with liver damage, doctors--including CONSUMER REPORTS' own medical experts--have for some time advised people to use kava (also known as kava-kava) with caution.

Now, in the wake of new, compelling evidence linking kava to liver damage and failure, Singapore, Canada, the United Kingdom, and other European Union nations have banned its sale.

Kava is sold as a tension relaxer, usually in capsule form but also as an ingredient in some foods.

In the U.K., the Medicines Control Agency issued a blunt statement in late December about its use. "There is clear evidence linking kava-kava with rare cases of liver toxicity," the agency said, citing 66 cases and four deaths worldwide. "Investigations have been unable to identify factors that would predict which individuals are at risk of adverse reactions," the agency said, adding that the risks could not be ...

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