NOW Valerian Root provides 500mg in each capsule, which makes it one of the most powerful products on the market. The roots of the plant Valeriana officinalis are used for many years for its calming and relaxing properties. Valerian grows in woodlands, along the banks of rivers and in wet meadows throughout Europe. Although not generally used as food, it is a natural aromatic. It has a calming effect on the nerves, muscles and heart, helping to treat insomnia. It has been shown that valerian reduces frequent waking, tension and anxiety. Unlike some medications , valerian ensures a sound sleep without feeling tired or fatigue the next day. It also stops spasms of the smooth muscles of the digestive tract, thereby relieving cramps and discomfort. Valerian Root has been a herbal favorite in many cultures for centuries.