🟢 80/100

This product is generally safe

  • Kava Root Extract: 442mg is 1.8× the Tolerable Upper Intake Level (250mg)
  • 50% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Kava Root Extract: 442mg is 1.8× the Tolerable Upper Intake Level (250mg)

Label Data

1 Capsule(s) Serving Size
60 Servings
Botanical Product Type
50% Evidence Coverage

Supplement Facts — Evidence Check

Total Carbohydrates
1 Gram(s) (1% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1.8× (UL: 250 mg) 📚 12 studies (Tier A: 0, B: 5)
This product: 442mg UL 250mg

Other Ingredients

Glycerin Sunflower Lecithin Water Hypromellose

Label Claims — Verification

All Other
Structure/Function
All Other (99% of products) Structure/Function (74% of products)

Target Groups

Vegan Vegetarian Adult (18 - 50 Years) Women (not pregnant or lactating) Gluten Free Dairy Free

Product Information

📋 Directions for Use

Suggested Use Adults take 1 capsule 3 times daily between meals. Maximum time of use 1 month.

⚠️ Warnings & Precautions

Caution: US FDA advises that a potential risk of rare, but severe, liver injury may be associated with kava-containing dietary supplements. If you have a medical condition, use under the advice of a health care provider. Stop use and see a doctor if you develop symptoms that may signal liver problems, including jaundice (yellowing of the skin or whites of the eyes) and brown urine. Other nonspecific symptoms can include nausea, vomiting, light-colored stools, unexplained tiredness, weakness, stomach or abdominal pain, and loss of appetite.

Do not take if you have, or have had, liver problems, drink alcohol, or take any medications. 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.

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. Use only as directed on label. Safety-sealed at neck of bottle.

🧪 Formulation Notes

The Gaia Difference Sustainably sourced Extracted without harsh solvents 6 distinct quality tests

Vegan

Gluten free

Stress support Promotes a sense of calm and relaxation Concentrated formula Full spectrum

Additional Information

Nourishing Nervines When life gets challenging, your body's nervous system activates. Nervine herbs tone and nourish this system, giving it the support it needs through the stress response cycle so you can keep a calm mind and cope in a healthy way. Stress & nervous system response Hypothalamus Pituitary Adrenals Vagus Nerve

Certified B Corporation

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Product Details

DSLD Entry Date 2024-04-23
Product Type Botanical
Form Capsule
Brand Gaia Herbs
DSLD ID 309567
Data Updated 2026-04-11

Research Evidence

19 Research Sources
48 Avg Quality Score
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
B Kava for Generalized Anxiety Disorder: A Review of Current Evidence
Meta Analysis Journal of alternative and complementary medicine (New York, N.Y.) 2018
B Kava extract for treating anxiety
Systematic Review The Cochrane database of systematic reviews 2001
B Kava extract for treating anxiety
Systematic Review The Cochrane database of systematic reviews 2002
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
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
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
C Neuroimaging Insights: Kava's (Piper methysticum) Effect on Dorsal Anterior Cingulate Cortex GABA in Generalized Anxiety Disorder.
Rct Nutrients
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
C Efficacy of kava extract for treating anxiety: systematic review and meta-analysis
Meta Analysis Journal of clinical psychopharmacology 2000
View all evidence for Kava →

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