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Quercetin Plus

product on market Capsule Health Products Distributors Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 33% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

Quercetin and rutin are flavonoids with moderate evidence supporting their antioxidant and anti-inflammatory properties. VinCare, a grape seed extract, provides additional polyphenols to support vascular health. Overall, the evidence coverage for this specific ingredient combination is limited.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Quercetin Plus
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Vegetarian Capsule(s)
Serving Size
120
Servings
Other Combinations
Product Type
33%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

250 mg
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)
250 mg
Market median: 500.0mg (19 products)
VinCare
20 mg

Other Ingredients

Modified Cellulose Microcrystalline Cellulose Magnesium Silicate Silica
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use: As a dietary supplement, take 1 capsule daily with food, or as directed by a health care professional.

Warnings & Precautions

Keep out of reach of children

Formulation Notes

Does not contain: wheat, gluten, rye, oats, yeast, egg, soy, sugar, dairy products, GMOs, shellfish, wax, preservatives, coloring, or flavoring.

Quercetin, Rutin, and Grape Extract

Additional Information

Store in a cool, dry place

Sophora japonica

Metadata

Product Details

UPC / SKU8 52347 00655 5
DSLD Entry Date2025-03-25
Product TypeOther Combinations
FormCapsule
BrandHealth Products Distributors
DSLD ID321335
Data Updated2026-04-11
Research

Research Evidence

184
Research Sources
55
Avg Quality
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
Meta Analysis Medicine 2024 PubMed DOI
B Effects of quercetin supplementation on lipid profile: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Critical reviews in food science and nutrition 2017 PubMed
B Dietary polyphenols and the risk of metabolic syndrome: a systematic review and meta-analysis
Meta Analysis BMC endocrine disorders 2024 PubMed DOI
B Quercetin and endurance exercise capacity: a systematic review and meta-analysis
Meta Analysis Medicine and science in sports and exercise 2011 PubMed DOI
B Dietary flavonoid intake and smoking-related cancer risk: a meta-analysis
Meta Analysis PloS one 2013 PubMed DOI
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
Meta Analysis Medicine 2023 PubMed DOI
B A Systematic Review: Quercetin-Secondary Metabolite of the Flavonol Class, with Multiple Health Benefits and Low Bioavailability
Systematic Review International journal of molecular sciences 2024 PubMed DOI
B Dietary flavonoid for preventing colorectal neoplasms.
Cochrane Review The Cochrane database of systematic reviews PubMed DOI
B Flavonoids for treating venous leg ulcers.
Cochrane Review The Cochrane database of systematic reviews PubMed DOI
B The effects of quercetin supplementation on lipid profiles and inflammatory markers among patients with metabolic syndrome and related disorders: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Critical reviews in food science and nutrition 2020 PubMed DOI
View all evidence for Quercetin →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.