Quercetin 500 Plus
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
1 Tablet(s)
Serving Size
Other Combinations
Product Type
50%
Evidence Coverage
Supplement Facts — Evidence Check
Vitamin C
250 mg
(417% DV)
10 mg
(500% DV)
📊 4.3× RDA — above typical dose (UL: 11 mg)
📚 8 studies — no high-quality reviews
500 mg
📊 Market median: 500.0mg (283 products)
📚 173 studies (Tier A: 0, B: 62)
50 mg
📊 Market median: 200.0mg (136 products)
📚 3 studies — no high-quality reviews
50 mg
📊 Market median: 450.0mg (254 products)
📚 240 studies (Tier A: 0, B: 100)
100 mg
📊 Market median: 500.0mg (283 products)
📚 173 studies (Tier A: 0, B: 62)
Other Ingredients
May contain one or more of the following:
Label Claims — Verification
❓
All Other
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)
Product Information
📋 Directions for Use
Suggested Use: As a dietary supplement, adults take one (1) tablet, two (2) times daily with meals, or as directed by a health care professional.
⚠️ Warnings & Precautions
Keep out of reach of children.
🧪 Formulation Notes
Contains No Added sugar, salt, dairy, yeast, wheat, gluten, corn, preservatives, artificial colors or flavors.
500 mg of Quercetin Per Tablet
Contains soy.
Additional Information
Store in a cool, dry place and away from direct light.
QUALITY AND POTENCY GUARANTEED. {QR code}
Vitamin C, bromelain, tumeric, citrus bioflavonoids and manganese work synergistically to enhance the proven benefits of Quercetin.
688
Product Details
DSLD Entry Date
2013-01-25
Product Type
Other Combinations
Form
Tablet or Pill
DSLD ID
17341
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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