Kudzu. Cat's claw. Kava Kava. Ginkgo biloba. Probably you've never heard of them, but if current trends continue, these and other natural remedies will soon overtake the shelf above your stove. Even before the melatonin craze struck, the market for herbs and other dietary supplements was exploding. "I've never seen the momentum for the industry as strong as it is right now," says William Watts, president of GNC Corp., which has opened a new health store nearly every day for the last three years and this year expects sales of $1 billion. The boom isn't confined to specialty stores: like amaretto-flavored coffee beans, once obscure natural health aids are now showing up in drugstores, supermarkets and discount chains.
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