Kava

product on market Liquid Herb Pharm Safety: 60/100
60/100

Review before taking

  • Kava rhizome with root (Piper methysticum) extract: 580mg is 2.3× 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 rhizome extract is supported by moderate evidence for reducing symptoms of anxiety. However, the low safety score reflects potential concerns regarding hepatotoxicity and liver injury. Users should exercise caution due to these documented safety risks.

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

Alerts

Safety Alerts

Kava rhizome with root (Piper methysticum) extract: 580mg is 2.3× 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 more than double the recommended daily upper limit of Kava.

Label

Product Label

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

Label Data

0.7 mL
Serving Size
42
Servings
Botanical
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Exceeds UL by 2.3× (UL: 250 mg) 15 studies (A:0, B:5)

Other Ingredients

certified organic Cane Alcohol
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use Shake well before using Add 1 full squeeze of the dropper bulb to 2 oz. of water or juice, 2 to 5 times per day. Best taken between meals.

Warnings & Precautions

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

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 pregnant or breastfeeding women.

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

Do not take with alcoholic beverages. Excessive use may briefly impair ability to drive or operate machinery.

Keep out of the reach of children

Formulation Notes

Stop use and see a doctor if liver symptoms occur (unusual fatigue, abdominal pain, appetite loss, dark urine, pale stools, yellow eyes or skin).

Piper methysticum

Nervous system Calming & stabilizing

Kava Liquid Extract

Gluten-free

Dry herb/menstruum ratio: 1:1

Additional Information

Store away from heat & light

Metadata

Product Details

UPC / SKU0 90700 00080 6
DSLD Entry Date2019-12-22
Product TypeBotanical
FormLiquid
DSLD ID210180
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
View all evidence for Kava →
Compare

Similar Products

View all Kava products →

This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.