Valerian Root

Dosing Information

Valerian root is available in a large range of doses. For many uses, the safe and effective doses have not yet been established. However, general dosing information is available based on clinical studies and years of experience with these products.
(Click Valerian Root Dosage for more information.)

Drug Interactions With Valerian Root

Valerian root may interact with several other medications or supplements (see Drug Interactions With Valerian Root).

What If I Take an Overdose?

It is not known what exactly to expect from an overdose, although there have been reports of the following problems:
  • Fatigue
  • Abdominal cramps (stomach cramps)
  • Tightness of the chest
  • Lightheadedness
  • Shaky hands and feet.
If you think you may have taken too much valerian root, seek immediate medical attention.
(Click Valerian Overdose for more information.)

How Does It Work?

It is not exactly clear how valerian root works to treat insomnia or other health conditions. There are a variety of different active compounds in it, and researchers are not sure which ones are responsible for the sedative-like properties of valerian root. Some of the compounds seem to increase gamma aminobutyric acid (GABA), a chemical in the brain that has a naturally calming effect.

Is It Effective?

Some studies have shown that valerian root is effective at treating insomnia, although further research is needed to establish how best to safely and effectively use the supplement for this condition. There is not enough evidence to recommend valerian root for other uses at this time.
(Click Does Valerian Work? for more information.)
Healthy Pet, Healthy You

Valerian Root for Insomnia

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