Valerian:
The root of valerian, a perennial herb native to North America,
Asia, and Europe, is used most commonly for its sedative and
hypnotic properties in patients with insomnia, and less commonly
as an anxiolytic. Multiple preparations are available, and the herb
is commonly combined with other herbal medications. This review
addresses only studies that used valerian root as an isolated
herb. As with most herbal products available in the United States,
valerian root extracts are not regulated for quality or consistency.
Independent testing laboratories (such as www.consumerlab.com)
generally use valeric acid content as a marker for pharmacologic
activity and represent one source for reliable information to
support product choice.
Today the best known use of this herb is as a natural tranquilizer
with a long history of safe use. It also has been used as a
stomachic, anti-spasmodic, carminative and has also been used
since ancient times in the treatment of epilepsy.
A number of scientific studies have shown that the valeptriates
(ingredients of valerian) do act as tranquilers. They produce
fewer side effects than Valium and a recent study showed that
valerian is useful in helping to bring on sleep. Valerian has an
unusual, if not unpleasant odor, however, cats go crazy for it and
in fact "intoxicates" them. They will roll around in a garden that
contains it.
Valerian is sold as a dietary supplement and is available as an extract in powder or liquid form, as a dried herb in tea
form, or in pills. As a sleep aid, valerian is most effective if you take it shortly before bedtime. For anxiety, you may take
a dose 3 times or more during the day, including before bedtime.
Special Precautions: Large does may cause vomiting, stupor and dizziness. Continued use may lead to depression.
The valerian roots are harvested in Autumn. Valerian contains volatile oils and is often used to aromatize baths.
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