One of the most useful relaxing nervines, valerian (Valeriana officinalis) is a perennial plant native to Europe and Asia. Valerian root tincture is an effective remedy for insomnia, reducing tension and nervousness, and for menstrual cramps.
An ancient, effective, and well recognized medicinal herb, Valerian has been used in medicine since at least the time of ancient Greece.
Valerian has also been used for gastrointestinal spasms and distress, and attention deficit hyperactivity disorder.