Optimized Quercetin 250 mg
100/100
This product looks safe
- No ingredients exceed tolerable upper intake levels
- 25% of ingredients have research evidence
B
Label Compliance Grade
Product Label
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Label Data
1 Vegetarian Capsule(s)
Serving Size
60
Servings
Other Combinations
Product Type
25%
Evidence Coverage
Supplement Facts — Evidence Check
Vitamin C
30 mg
(33% DV)
250 mg
📊 Market median: 500.0mg (283 products)
📚 173 studies (Tier A: 0, B: 62)
Optimized Food Blend
210 mg
Camu Camu Berry Extract
60 mg
Other Ingredients
Microcrystalline Cellulose
Cellulose
Maltodextrin
Silica
Stearate
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)
Gluten Free
Product Information
📋 Directions for Use
Directions: Take one (1) capsule once or twice daily, or as recommended by a healthcare practitioner.
⚠️ Warnings & Precautions
Read the entire label and follow the directions carefully.
Warnings: Keep out of reach of children.
Do not exceed recommended dose. Do not purchase if outer seal is damaged.
Consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating.
To report a serious adverse event or obtain product information, contact 1-866-280-2852.
🧪 Formulation Notes
Gluten free Non GMO LE Certified
Bioflavonoid and food-based complex
Additional Information
Scan for product info
Store tightly closed in a cool, dry place.
Non GMO LE Certified
Product Details
UPC / SKU
7 37870 13096 3
DSLD Entry Date
2025-05-21
Product Type
Other Combinations
Form
Capsule
Brand
Life Extension
DSLD ID
328615
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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