Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Valerian root (Valeriana officinalis) has a long history of use in traditional herbal medicine, particularly in Europe and Asia, as a remedy for anxiety, insomnia, and nervous tension. Its use for anxiety dates back to ancient Greece and Rome, where physicians such as Hippocrates described its calming effects. The root was commonly used in traditional European medicine throughout the Middle Ages and into the modern era for "nervous disorders" and as a general sedative.

Modern scientific studies evaluating valerian root for anxiety are limited and have produced mixed results. Some small-scale clinical trials suggest that valerian may have mild anxiolytic (anxiety-reducing) effects, possibly due to its interaction with gamma-aminobutyric acid (GABA) receptors in the brain, which are involved in regulating nervous system activity. However, systematic reviews and meta-analyses generally conclude that the evidence is insufficient or inconsistent to firmly support valerian's effectiveness for treating anxiety disorders. Most studies have small sample sizes, short durations, and methodological limitations.

In summary, valerian root is used for anxiety primarily due to its traditional use, with weak to moderate scientific evidence supporting its efficacy. While it appears to be relatively safe for most people, those considering valerian for anxiety should consult with a healthcare professional due to possible interactions and side effects.

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