Herbal Medicine Research Guide

NCCIH is a Center within the National Institutes of Health (NIH) that conducts and supports research and provides information for health professionals and consumers about complementary health products and practices. See also the Herbs At-A-Glance Facts sheet and downloadable Herb List App.

Provides basic information about specific herbs or botanicals. Review brief fact sheets of common names, what the science says, potential side effects and cautions, and resources to find more information

Learn about the effectiveness, dosage, and drug interactions of select dietary supplements and herbal remedies provided by MedlinePlus, a service of the National Library of Medicine (NLM), part of the National Institutes of Health (NIH)

Fact sheets for health professionals that include vitamins, minerals, herbs and botanicals, probiotics, and more from the NIH Office of Dietary Supplements and other federal government sources.

A searchable database tool for the public as well as healthcare professionals with information about the value of using common herbs and other dietary supplements.