National Center for Complementary and Integrative Health
Created by the National Institutes of Health.
Integrative Medicine Service
Memorial Sloan-Kettering Cancer Center provides evidence-based information about herbs, botanicals, supplements, and more. Once you search for an herb or product, click on the Consumer tab for more information.
MedlinePlus Herbs and Supplements
Easy-to-read information on dietary supplements and herbal remedies from the National Library of Medicine.
Office of Dietary Supplements
Information on dietary supplements and vitamins including scientific evidence from the National Institutes of Health.