Valerian Root Liquid may be used safely to reduce tension and anxiety, over-excitability and hysterical states. It is calming without notably sedative and is practically non-addictive. In fact, Valeriana in combination with Hypericum (St. John’s Wort) has be more effective than diazepam (i.e. Valium) in treating symptoms of anxiety when given to 100 patients for two weeks in a double-blind clinical trial.