The prevalence of dietary supplement use in the United States is profound. In 1994, the Food and Drug Administration (FDA) reported that an estimated 50 percent of the population regularly used vitamins, minerals, or botanicals as a means to improve nutrition (1). A recent article, however, in an issue of US News & World Report (dated 12 February 2001) reported 63 percent of consumers had used a dietary supplement (2). ...
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