A Web site of the Integrative Medicine Service of the Memorial Sloan-Kettering Cancer Center. Contains evidence-based information on herbs, botanicals, vitamins, and other supplements.

From the National Library of Medicine, this database provides information about ingredients in over 2,000 brand-name vitamins and dietary supplements, including name, form, active and inactive ingredients, amount of active ingredient/unit, manufacturer/distributor information, suggested dose, label claims, warnings, percentage of daily value, and further label information.

A gateway to current and accurate drug information from the U.S. National Library of Medicine and other key government agencies. Provides information on over 12,000 drugs.

The PubMed Dietary Supplements Subset database provides access to bibliographic citations and abstracts from published, international, and scientific literature on dietary supplements.