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Dietary Supplements


Find general herbal resources and organizations, as well as information about individual herbs such as St. John's wort, palmetto, stevia, black cohosh, and more.


Ergogenic aids are substances that are claimed to help enhance energy utilization and performance in the body. Information on nutritional supplements aimed at athletes and exercisers is provided, including potential supplement dangers.


Resources on Complementary and Alternative Medicine (CAM), which consists of health care practices and products not presently considered part of conventional medicine. Learn about the uses and scientific investigations into the benefits and risks.