St. Johns Wort from Webber Naturals is a standardized extract that naturally relieves restlessness and nervousness. It is extracted exclusively from the herbs flowers and is guaranteed to contain 0.3% hypericin, the same potency used in successful clinical studies. Studies show that St. Johns Wort(Hypericum perforatum)can help relieve nervous tension and support healthy sleep patterns. While St. Johns Wort has an excellent track record, high doses exceeding more than 24 g daily can increase photosensitivity and the risk of sunburn in some people. Anyone taking medications should also consult their physician prior to using St. Johns Wort because it is known to interact with a number of medications. St. Johns Wort from Webber Naturals contains 300 mg of St. Johns Wort extract per capsule and is now available in a bonus size with 50% more capsules (90 for the price of 60!). It is a suitable herbal product for individuals who would like to relieve stress and nervousness naturally., , Recommended dosage (adults): 1 capsule 3 times daily, preferably with meals, or as directed by a physician. Consult a physician for use beyond 18 weeks. Use for a minimum of 1 week to see beneficial effects.