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Kava Extract

product on market Liquid Oregon's Wild Harvest Safety: 60/100
60/100

Review before taking

  • Kava: 500mg is 2.0× the Tolerable Upper Intake Level (250mg)
  • 100% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · grounded in 1 source · methodology

Kava is supported by moderate evidence for its potential to reduce anxiety and promote relaxation. However, the low safety score reflects significant concerns regarding potential hepatotoxicity and liver damage. Users should exercise caution due to these documented safety risks.

AI-generated summary based on research evidence. Not medical advice.

Alerts

Safety Alerts

Kava: 500mg is 2.0× the Tolerable Upper Intake Level (250mg)

AI-generated · Qwen 3.6 · grounded in 2 sources · methodology

This product received a low safety score because it contains 500mg of Kava, which is twice the recommended maximum daily limit of 250mg.

Label

Product Label

Label for Kava Extract
Open Full PDF View on NIH DSLD →
Details

Label Data

1 mL
Serving Size
30
Servings
Botanical
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

500 mg
Exceeds UL by 2.0× (UL: 250 mg) 15 studies (A:0, B:5)

Other Ingredients

Alcohol Water, Distilled
Claims

Label Claims — Verification

Unverified All Other
Info

Product Information

Directions for Use

Suggested Use: Take 1 mL as needed or as directed by your healthcare professional. Do not exceed 3 mL daily. 1 mL = approx. 40 drops. Do not exceed recommended dose.

Shake well.

Warnings & Precautions

Caution: US FDA advises that a potential risk of rare, but severe, liver injury may be associated with dietary supplements containing Kava.

Ask a health care professional before use if you have, or have had, liver problems, frequently use alcoholic beverages or are taking any medication.

Stop use and see a doctor if you develop symptoms that may signal liver problems (e.g., unexplained fatigue, abdominal pain, loss of appetite, fever, vomiting, dark urine, pale stools, yellow eyes or skin). Not for use with alcoholic beverages. Excessive use, or use with products that cause drowsiness, may impair your ability to operate a vehicle or heavy equipment.

Not for use by persons under 18 years of age. Keep out of reach of children.

Do not take if pregnant or nursing. If taking medication consult a healthcare professional before use.

Discontinue use if unusual symptoms occur.

Do not exceed recommended dose.

Discontinue use two weeks prior to scheduled surgery and inform surgeon.

Formulation Notes

Free from: Gluten, dairy and soy allergens.

Non GMO GF (Gluten free)

Additional Information

Store upright in a cool, dry place.

Metadata

Product Details

UPC / SKU7 06195 00193 7
DSLD Entry Date2024-03-22
Product TypeBotanical
FormLiquid
DSLD ID307306
Data Updated2026-04-11
Research

Research Evidence

19
Research Sources
48
Avg Quality
8
Rct
5
Systematic Review
4
Meta Analysis
2
Clinical Trial
B Kava extract for treating anxiety
Meta Analysis The Cochrane database of systematic reviews 2003 PubMed
B Kava for Generalized Anxiety Disorder: A Review of Current Evidence
Meta Analysis Journal of alternative and complementary medicine (New York, N.Y.) 2018 PubMed DOI
B Kava extract for treating anxiety
Systematic Review The Cochrane database of systematic reviews 2001 PubMed
B Kava extract for treating anxiety
Systematic Review The Cochrane database of systematic reviews 2002 PubMed
B The effectiveness and safety of Kava Kava for treating anxiety symptoms: A systematic review and analysis of randomized clinical trials
Systematic Review Complementary therapies in clinical practice 2018 PubMed DOI
C Kava for generalised anxiety disorder: A 16-week double-blind, randomised, placebo-controlled study
Rct The Australian and New Zealand journal of psychiatry 2020 PubMed DOI
C Kava and St. John's Wort: current evidence for use in mood and anxiety disorders
Systematic Review Journal of alternative and complementary medicine (New York, N.Y.) 2009 PubMed DOI
C Neuroimaging Insights: Kava's (Piper methysticum) Effect on Dorsal Anterior Cingulate Cortex GABA in Generalized Anxiety Disorder.
Rct Nutrients PubMed DOI
C The risk-benefit profile of commonly used herbal therapies: Ginkgo, St. John's Wort, Ginseng, Echinacea, Saw Palmetto, and Kava
Meta Analysis Annals of internal medicine 2002 PubMed
C Efficacy of kava extract for treating anxiety: systematic review and meta-analysis
Meta Analysis Journal of clinical psychopharmacology 2000 PubMed
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.