The St. John's wort plant has yellow flowers and is sometimes thought of as a weed in some parts of the United States. It has been used for medical purposes in other parts of the world for thousands of years. Many studies have been conducted to evaluate the effectiveness of St. John's wort. Some studies have suggested benefit, but other studies have not.
Results from research to see if St. John's wort is effective are mixed. If you do choose to use it, be sure to learn all you can and check with your doctor before taking it. St. John's wort can interact with other medicines orsupplements you may be taking and may have side effects.
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