Quercetin Dihydrate Pure
100/100
This product looks safe
- No ingredients exceed tolerable upper intake levels
- 100% of ingredients have research evidence
A
Label Compliance Grade
Product Label
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Label Data
500 mg
Serving Size
50
Servings
Non-Nutrient/Non-Botanical
Product Type
100%
Evidence Coverage
Supplement Facts — Evidence Check
500 mg
📊 Market median: 500.0mg (283 products)
📚 173 studies (Tier A: 0, B: 62)
Other Ingredients
None
Label Claims — Verification
❓
All Other
❓
Structure/Function
All Other (99% of products)
Structure/Function (84% of products)
Nutrient (23% of products)
Qualified Health (1% of products)
Target Groups
Adult (18 - 50 Years)
Gluten Free
Dairy Free
Sugar Free
Product Information
📋 Directions for Use
Directions: As a dietary supplement, take 250 mg (1/4 tsp) to 500 mg (1/2 tsp) once or twice daily, or as directed by a physician.
⚠️ Warnings & Precautions
Warning: This product is not intended for use by those with a serious medical condition or pregnant or lactating women.
Consult your physician before use.
Keep out of reach of children.
🧪 Formulation Notes
Free of: Sugar, soy, dairy, yeast, gluten, corn and additives.
Additional Information
Derived from Sophora Japonica buds
Storage: Keep dry, cool & dark
US Standard Measuring Spoons Spoon Size (level) milligrams 1/4 teaspoon 216 1/2 teaspoon 433 1 teaspoon 867
Product Details
DSLD Entry Date
2013-06-25
Product Type
Non-Nutrient/Non-Botanical
Form
Powder
Brand
PureBulk.com
DSLD ID
23222
Data Updated
2026-04-11
Research Evidence
184
Research Sources
55
Avg Quality Score
91
Systematic Review
75
Meta Analysis
7
Rct
7
Clinical Trial
2
Cochrane Review
1
Openfda Safety
B
Treatment of gouty arthritis with traditional Chinese medicine decoction: Meta-analysis, network pharmacology analysis, and molecular docking
B
Effects of quercetin supplementation on lipid profile: A systematic review and meta-analysis of randomized controlled trials
B
Dietary polyphenols and the risk of metabolic syndrome: a systematic review and meta-analysis
B
Clinical efficacy evaluation and potential mechanism prediction on Guizhi-Shaoyao-Zhimu decoction in the treatment of gouty arthritis based on meta-analysis, network pharmacology analysis, and molecular docking
B
A Systematic Review: Quercetin-Secondary Metabolite of the Flavonol Class, with Multiple Health Benefits and Low Bioavailability
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