Kava

product on market Liquid Source Naturals Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

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

Kava root extract is supported by moderate evidence for its potential to reduce symptoms of anxiety. Research suggests it may promote relaxation by modulating GABA receptors in the brain. However, overall evidence coverage for this specific formulation remains very limited.

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

Label

Product Label

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

Label Data

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

Supplement Facts — Evidence Check

Market median: 400.0mg (73 products) 15 studies (A:0, B:5)

Other Ingredients

organic Grain Alcohol deionized Water
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: 1 1/2 dropperfuls 1 to 2 times daily.

Shake well before using.

Warnings & Precautions

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

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

Not for use by persons under 18 years of age, or by women who are pregnant, may become pregnant, or breastfeeding.

Not for use by persons under 18 years of age, or by women who are pregnant, may become pregnant, or breastfeeding.

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.

Do not use if tamper-evident seal is broken or missing.

Keep out of the reach of children.

Additional Information

For occasional anxiety

Kava is made from the roots of a pepper family plant, Piper methysticum. Clinical studies indicate kava may help with occasional anxiety. Pacific Island people from New Guinea to Hawaii have used kava for centuries.

SN2721 REV B165

Metadata

Product Details

UPC / SKU0 21078 02721 8
DSLD Entry Date2017-12-22
Product TypeBotanical
FormLiquid
DSLD ID81403
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.