MedlinePlus Medical Encyclopedia: St. John's Wort

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St. John's Wort

The herb St. John's Wort is believed to be helpful in relieving mild to moderate depression, but should only be taken under a physician's supervision. St. John's Wort may clash with other medications or foods a patient is taking, and the efficacy of the supplement is not regulated or assured.

Update Date: 11/16/2006

Updated by: Paul Ballas, D.O., Department of Psychiatry, Thomas Jefferson University Hospital, Philadelphia, PA. Review provided by VeriMed Healthcare Network.

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