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Valerian Root

Valerian root is an herbal supplement commonly used to improve sleep quality & reduce anxiety. It is generally well-tolerated & may help individuals with mild to moderate insomnia or anxiety disorders.

sleepanxietystressrelaxation

Evidence last reviewed: 05 Apr 2026

Evidence
4 records
4 recordsBest grade:Moderate
Biomarkers
Sleep Quality (subjective)Anxiety

The evidence for valerian root's efficacy in reducing anxiety is low and inconsistent, while moderate evidence suggests it may improve sleep quality in specific populations. However, the overall strength of the evidence is limited, and results vary across studies.

Sleep quality
General population with sleep disorders · Systematic review
Moderate

Valerian root may improve subjective sleep quality, though results are inconsistent across studies.

Dose: 600 mg
Anxiety reduction
Individuals with anxiety disorders · Systematic review
Low

Valerian root has been used for its anxiolytic effects, but evidence is insufficient to confirm efficacy.

Dose: 600 mg
Sleep quality after surgery
Patients post-coronary artery bypass graft surgery · RCT
Moderate

Valerian extract improved sleep quality in patients after coronary artery bypass graft surgery.

Dose: 300 mgDuration: 4 weeksForm: Extract
Functional brain connectivity
Nonclinical volunteers with psychological stress · RCT
Low

Valerian root extract affected functional brain connectivity, potentially linked to its anxiolytic effects.

Dose: 300 mgDuration: 4 weeksForm: Extract
Stacks containing Valerian Root
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sleeprelaxationcalm

Valerian root & passionflower are combined to aid sleep & promote relaxation. Valerian root is known for its calming effects, while passionflower helps reduce anxiety & improve sleep quality.

Valerian Root
600mg
Passionflower
500mg
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Forms & usage
How to take it

Take 300-600 mg of valerian root extract 30 minutes to 2 hours before bedtime.

Capsule
Standardized extract, commonly used for sleep and anxiety.
Tea
Traditional form, less standardized in dosing.
Tincture
Liquid extract, allows for flexible dosing.
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