Home/ Supplements/ Vitamin C/ Quercetin with Vitamin C 500 mg

Quercetin with Vitamin C 500 mg

product on market Capsule Everyday Health Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

Quercetin and Vitamin C are researched for their antioxidant properties and roles in supporting immune function. While Vitamin C has strong evidence for health maintenance, the evidence for Quercetin's efficacy in humans is more limited. Both ingredients are generally recognized as safe for most adults.

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

Label

Product Label

Label for Quercetin with Vitamin C 500 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
60
Servings
Other Combinations
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

450 mg
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)
Vitamin C
50 mg (56% DV)

Other Ingredients

Gelatin
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: Take 1 capsule per day. Or as advised by your doctor.

Warnings & Precautions

Caution: If you suffer from any health problems or on meds consult a physician before using.

Keep out of reach of children

Formulation Notes

Plant derived quercetin with added vitamin C for maximum bioavailability

Immunity support

Additional Information

GMP Good Manufacturing Practice

Metadata

Product Details

UPC / SKU9 421906 923094
DSLD Entry Date2024-03-22
Product TypeOther Combinations
FormCapsule
DSLD ID306119
Data Updated2026-04-11
Research

Research Evidence

371
Research Sources
54
Avg Quality
148
Meta Analysis
82
Systematic Review
71
Rct
62
Clinical Trial
2
Regulatory Source
1
Cochrane Review
1
Narrative Review
1
Other
1
Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017 PubMed DOI
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024 PubMed DOI
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021 PubMed DOI
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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.