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Transcript
Valerian (Valeriana officinalis)
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Nervousness
Insomnia
Anxiety
Therapeutic Effects
Valerian has been used to ease anxiety, nervousness and insomnia for centuries. By
the eighteenth century, it was a widely accepted sedative and was listed in the
United States National Formulary as a sleep aid and anxiety treatment until 1950,
when it was replaced by pharmaceutical sleeping agents. Yet, valerian remained
popular and is the most widely used sedative in Europe, where more than one
hundred valerian preparations are sold in pharmacies across Germany, Belgium,
France, Switzerland, and Italy.
Researchers are getting closer to understanding the compounds in valerian, as well
as the mechanism responsible for its sedative effect. GABA is one of the major
inhibitory neurotransmitters in the central nervous system and GABA-A is the target
of many drugs used to reduce anxiety or aid sleep, such as benzodiazepines.
Valerenic acid and valerenol are two compounds in valerian root that have been
shown to strongly bind GABA-A receptors and are likely to be key players in its
therapeutic effect.
There have been numerous clinical trials studying the effect of valerian on insomnia.
Two studies that administered valerian every night for a period of 2-4 weeks found
that those taking the herb had significant improvement in their sleep and sleep
quality compared to placebo. Other studies have yielded contradictory results,
especially those that tested valerian for shorter periods for “acute” insomnia. It
appears that if valerian does indeed improve sleep, it must be taken for a period of
at least two weeks to achieve a significant benefit.
The majority of valerian preparations sold in Europe contain other sedative herbs
such as hops (Humulus lupulus), lemon balm (Melissa officinalis) or passionflower
(Passiflora incarnata). The combination of valerian and hops is quite popular in
Europe and has been shown in several studies to shorten the time it takes to fall
asleep and reduce the number of times one wakes up during the night. A clinical
trial of Valerian and lemon balm was shown to improve sleep in children 12 years of
age and under. In summary, it appears that valerian is a safe herbal choice for
treating mild insomnia with the best studies suggesting it is more effective when
used continuously for a period of 2-4 weeks than using as an acute sleep aid.
Valerian in combination with hops and/or lemon balm may be more effective than
valerian alone.
How to Use
Tea: steep 1 teaspoon dried valerian root in 1 cup water for 10 minutes. Strain.
Drink 1 cup 30-60 minutes before bed.
Capsules: take 2-3 grams of dried valerian root 30-60 minutes before bed.
Extract: doses of 300-900 mg of valerian extract standardized to valerenic acid were
used in clinical trials.
Tincture: generally 5-10 ml 30-60 minutes before bed.
Precautions
The American Herbal Products Association (AHPA) gives valerian a class 1
safety rating, indicating that it is a safe herb with a wide dosage range.
Valerian does not appear to be habit-forming, one advantage over other
sleeping agents. A very small number of people may experience adverse
reactions to valerian such as feeling anxious and restless after taking the
herb. This is believed to be an idiosyncratic reaction.
Sidebar: There is some suggestion that the prescription drug Valium is derived
from valerian, but despite the similarities in name, there is no chemical relationship
between the herb and the drug.
DIY: Valerian Hops Tincture
1 ounce dried valerian root, chopped
1 ounce hops flowers, chopped
12 ounces vodka
Grind herbs in a coffee grinder and put into a 1-2 quart jar. Add vodka. Make sure
herbs are thoroughly moist. If not, add 2 more ounces of vodka. Screw on lid and
shake daily for 14 days. Strain liquid tincture using a muslin cloth and then store in
a dark bottle. Label and use accordingly.