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Herbal Lottery

What's on a dietary supplement's label may not be what's in the bottle

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6:34pm, June 2, 2003

Echinacea is a commercial success. The dietary supplement–made from the flowers, stems, and leaves of the purple coneflower–has become a popular and lucrative over-the-counter cold remedy. It's also one of the few nutraceuticals–natural products with medicinal reputations–that have substantial scientific evidence to support its purported functions: Various studies suggest that echinacea supplements can boost immunity or shorten the duration of colds.

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