St. John's Wort
This article provides basic information about the herb St. John's wort --common names, uses, potential side effects, and resources for more information. St. John's wort is a plant with yellow flowers.
Common Names--St. John's wort, hypericum, Klamath weed, goat weed
Latin Name--Hypericum perforatum
What It Is Used For
How It Is Used
The flowering tops of St. John's wort are used to prepare teas and tablets containing concentrated extracts.
What the Science Says
Side Effects and Cautions
SOURCE: National Center for Complimentary and Alternative Medicine, National Institutes of Health
References: National Center for Complementary and Alternative Medicine. St. John's Wort and the Treatment of Depression. National Center for Complementary and Alternative Medicine Web site. Accessed June 30, 2005.
St. John's Wort. Natural Medicines Comprehensive Database Web site. Accessed June 30, 2005.
St. John's wort (Hypericum perforatum L.). Natural Standard Database Web site. Accessed June 30, 2005.
St. John's wort. In: Blumenthal M, Goldberg A, Brinckman J, eds. Herbal Medicine: Expanded Commission E Monographs. Newton, MA: Lippincott Williams & Wilkins; 2000:359-366.
De Smet PA. Herbal remedies. New England Journal of Medicine. 2002;347(25):2046-2056.
Hypericum Depression Trial Study Group. Effect of Hypericum perforatum (St. John's wort) in major depressive disorder: a randomized controlled trial. Journal of the American Medical Association. 2002;287(14):1807-1814.
Last Editorial Review: 8/18/2006
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