What is Valerian Extract used for?

Valerian extract is commonly used to support sleep quality and help with mild anxiety or stress. It is also used by some people for tension and menopause-related sleep disturbances.

How does Valerian Extract work?

Valerian’s active compounds, including valerenic acids, are thought to influence GABA signaling in the brain. This may promote relaxation and make it easier to fall asleep.

What is a typical dose of Valerian Extract for sleep?

Common supplemental doses are about 300–600 mg, often taken in the evening. Product strength varies, so follow the label directions and consider starting at the lower end.

What are the side effects of Valerian Extract?

Possible side effects include drowsiness, dizziness, headache, or stomach upset. Because it can cause sedation, avoid driving or operating machinery if you feel impaired.

Does Valerian Extract interact with medications or alcohol?

It may increase sedation when combined with alcohol, sleep medications, or other sedatives. If you take prescription medicines, especially those affecting the central nervous system, check with a clinician before use.

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Valerian Extract

Moderate study situation·7/10

A higher score indicates better study conditions, but not necessarily effectiveness.

Valerian extract is a plant-based supplement often used to improve sleep quality and relieve mild anxiety.

Sleep Improvement Menopause Support Stress Relief Anxiety Relief

dose range

300–600 mg

Single dose 30–120 minutes before bedtime for sleep; divided doses for anxiety.

Consumption

Take with a small amount of water. For sleep, use a single dose before bedtime; for anxiety, use smaller doses up to three times daily.

Not fat-soluble.

Best time

Best taken 30–120 minutes before bedtime for sleep support.

Description

Valerian extract, derived from the roots of Valeriana officinalis, is a popular herbal remedy in Europe and North America for sleep disturbances and tension. Its main active components are valerenic acids and valepotriates, thought to promote relaxation by affecting GABA signaling in the brain.

benefits

Main effects with level of evidence

Moderate

Note on evidence

Evidence supports modest benefits for sleep quality and mild anxiety, but results are mixed and effects are generally mild.

Improves Sleep Quality

Moderate

May reduce time to fall asleep and improve subjective sleep quality, especially in individuals with mild insomnia or sleep disturbances.

Particularly relevant for: People with occasional insomnia · Adults seeking natural sleep aids

1 · PubMed: Systematic Review on Valerian for Sleep 4 · NIH: Valerian Fact Sheet 6 · Cochrane: Valerian for Sleep Disorders (Review)

Reduces Mild Anxiety and Stress

Moderate

May help relieve mild anxiety and stress by influencing GABA activity in the brain. Most studies find modest improvements in anxiety symptoms compared to placebo.

Particularly relevant for: Adults with mild anxiety · Individuals under stress

2 · PubMed: Valerian Effects on Anxiety 4 · NIH: Valerian Fact Sheet

Alleviates Menopausal Symptoms

Limited

Could reduce frequency and severity of hot flashes and improve sleep disturbances related to menopause.

Particularly relevant for: Perimenopausal or menopausal women

3 · PubMed: Valerian and Menopausal Symptoms 4 · NIH: Valerian Fact Sheet

Safety & Information

Important safety information & known risks

For educational purposes only • not medical advice

Valerian is considered safe for short-term use by most adults, but safety in pregnancy, breastfeeding, and young children is not established.

warning notices

May cause mild headaches, dizziness, or gastrointestinal upset in some people.
Potential for increased sedation when combined with other CNS depressants or alcohol.
Avoid use during pregnancy and breastfeeding.
Do not use in children under 3 years old.
Avoid concurrent use with CNS depressants including sedatives, alcohol, or some anti-anxiety medications, due to risk of excessive sedation.
Discontinue at least one week before surgery due to potential interactions with anesthesia.

Known interactions with medications

Sedatives (e.g., benzodiazepines)
Barbiturates
Alcohol
Anesthesia drugs

Contraindications / special precautions

Pregnancy
Breastfeeding
Children under 3 years

interactions

Important interactions between active ingredient ↔ supplement / medication / food

Valerian may interact with central nervous system depressants, alcohol, anesthesia, and certain medications that affect brain function.

May increase sedative effects of CNS depressants including benzodiazepines, barbiturates, and alcohol.

drug · CNS depressants

AvoidModerate

Why

Valerian’s GABAergic activity can add to the depressant effects of these drugs, leading to excessive sedation or impaired motor function.

recommendation

Avoid combining with sedatives, sleeping pills, or alcohol. Consult a healthcare provider before using if you take these medications.

4 · NIH: Valerian Fact Sheet

May enhance the effects of anesthesia during surgery.

drug · Anesthesia/Preoperative medicines

AvoidLimited

Why

Valerian might potentiate CNS depression during surgery, which could increase procedural risks.

recommendation

Discontinue valerian at least one week before planned surgery.

4 · NIH: Valerian Fact Sheet

mechanisms of action

Brief explanations of how it works

Modulation of GABA Activity

Valerian extract appears to increase the availability of gamma-aminobutyric acid (GABA), a neurotransmitter that promotes relaxation and sleep.

1 · PubMed: Systematic Review on Valerian for Sleep 4 · NIH: Valerian Fact Sheet 5 · Examine.com: Valerian

Sedative and Anxiolytic Effects via Valerenic Acid

Valerenic acids in valerian root interact with various brain receptors, leading to sedative and mild anxiolytic effects.

4 · NIH: Valerian Fact Sheet 5 · Examine.com: Valerian

Sources & References

Primary literature and reviews on which these statements are based

6 sources

PubMed: Systematic Review on Valerian for Sleep

PubMed: Valerian Effects on Anxiety

PubMed: Valerian and Menopausal Symptoms

NIH: Valerian Fact Sheet

Examine.com: Valerian

Cochrane: Valerian for Sleep Disorders (Review)

Last updated: February 6, 2026

This information is for educational purposes only and does not replace medical advice.