Home/ Supplements/ Kava/ Kava Extract Powder

Kava Extract Powder

product on market Powder Materia Organica Safety: 60/100
60/100

Review before taking

  • Kava Extract, Powder: 350mg is 1.4× 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 extract is associated with anxiolytic effects, though research evidence is limited. Due to a safety score of 60, potential concerns regarding hepatotoxicity and liver health should be noted. Users should exercise caution given the low evidence coverage for this specific formulation.

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

Alerts

Safety Alerts

Kava Extract, Powder: 350mg is 1.4× the Tolerable Upper Intake Level (250mg)

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

This product received a lower safety score because it contains 350mg of Kava Extract, which exceeds the recommended daily upper limit of 250mg.

Label

Product Label

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

Label Data

350 mg
Serving Size
285
Servings
Botanical
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Exceeds UL by 1.4× (UL: 250 mg) 15 studies (A:0, B:5)
Claims

Label Claims — Verification

Unverified All Other
Info

Product Information

Directions for Use

Directions: Mix 350 mg (about 1/8 teaspoon) into water, milk, tea, or a smoothie.

Warnings & Precautions

Warning: Kava use can have side effects, including dizziness, drowsiness, and headache. It is not recommended to take Kava continuously without breaks. Long-term use of kava may cause liver damage. It is very important to prepare kava correctly to avoid liver damage. Individuals with liver problems should avoid using kava.

Kava may interact with medications, such as antidepressants, anti-anxiety medications, and sedatives.

Keep out of reach of children.

Formulation Notes

Star-K (Kosher)

Kosher Star-K Kosher

This Kava Extract Powder is water-soluble, rendering it much more bioavailable than ordinary powders or even extract powders. 100% Kava

Water-soluble CO2 extracted (no petroleum solvents used) Vacuum dried to retain micronutrients (not spray dried) Better bioavailability and potency

No additives, fillers, or other ingredients Non-GMO, vegetarian/vegan, non-irradiated

Certified Organic by CCOF

Product of India Tested in independent 3rd-party US labs.

Additional Information

Star-K (Kosher)

Materia Organica primarily sells bulk ingredients to manufacturers and brand owners.

Store in sealed container in a dry, cool area.

Metadata

Product Details

DSLD Entry Date2025-07-24
Product TypeBotanical
FormPowder
DSLD ID332152
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.