Quercetin
100/100
This product looks safe
- No ingredients exceed tolerable upper intake levels
- 50% of ingredients have research evidence
A
Label Compliance Grade
Product Label
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Label Data
2 Capsule(s)
Serving Size
60
Servings
Non-Nutrient/Non-Botanical
Product Type
50%
Evidence Coverage
Supplement Facts — Evidence Check
800 mg
📊 Market median: 500.0mg (283 products)
📚 173 studies (Tier A: 0, B: 62)
165 mg
📊 Market median: 200.0mg (136 products)
📚 3 studies — no high-quality reviews
Other Ingredients
Rice Flour
Cellulose
Cellulose, Powder
Magnesium Stearate
Silica
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
Product Information
📋 Directions for Use
Suggested Usage: Take 2 capsules 20 minutes before meals, twice daily. Persons with sensitive stomachs may prefer to take capsules with food.
⚠️ Warnings & Precautions
Not manufactured with yeast, wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
Do not eat freshness packet. Keep in bottle.
🧪 Formulation Notes
Balanced immune system
Citrus free. Not manufactured with yeast, wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients.
Natural color variation may occur in this product.
Additional Information
Store in a cool, dry place after opening.
Please recycle.
Product Details
DSLD Entry Date
2024-07-25
Product Type
Non-Nutrient/Non-Botanical
Form
Capsule
Brand
Longevity Medical Clinic
DSLD ID
308088
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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