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St. John's Wort

Hypericum perforatum

This plant is native to Europe but has been naturalized in most of the northern hemisphere. The name refers to the fact that it flowers around the feast of Saint John on June 24th which is also close to the summer solstice. A plant that is common to waste areas, roadsides, and fields it has a rich and colorful tradition of usage dating back to ancient Greece. Gaius Plinius Secundas (Pliny the Elder) wrote about this plant in his 37 volume Natural History which served as the basis of scientific knowledge for centuries. In Greek it is called hypericon (above the icon) referring to its power “over the image” and this idea was furthered through the years. The European peasants thought the plant protected them from evil spirits, witches, demons and lightning.

What is St. John's Wort Used For?

There have been hundreds of randomized controlled studies on St. Johns Wort Extract. The majority do favor a positive effect on mood, particularly when whole plant extracts are used. The flavonoids hypericin and hyperforin have been the most lauded chemicals contained in St. Johns Wort that may be responsible for its pharmacological activity; yet with all the research, it is still unclear which chemicals, if any, are responsible for its activity. The flowers contain many antioxidants such as Rutin, Quercetin, and Lutein. One of the best reviews published in Phytomedicine in 2002 compiled results from 34 controlled, double blinded studies on over 3000 patients and found positive results when using between 300 and 1000 mg of extract per day. More research is needed to determine the exact mechanism of therapeutic action in this plant.

Highlights

Traditional Health Benefits of St. John's Wort

Stress Support
Stress Support
Brain & Cognitive Support
Brain & Cognitive Support
Immune Support
Immune Support

Additional Information on this Herb

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