Home/ Supplements/ Vitamin C/ Quercetin Plus Vitamin C

Quercetin Plus Vitamin C

product on market Capsule Vitamin World 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

Vitamin C and quercetin are researched for their roles in supporting immune function and antioxidant activity. While Vitamin C has strong evidence for general health, evidence for quercetin's specific therapeutic effects is more limited. These ingredients are generally considered safe for most users.

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

Label

Product Label

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

Label Data

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

Supplement Facts — Evidence Check

Vitamin C
1400 mg (2333% DV)
500 mg
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)

Other Ingredients

Gelatin Contains Less Than 2% of
Claims

Label Claims — Verification

Unverified All Other
Info

Product Information

Directions for Use

DIRECTIONS: For adults, take two (2) capsules daily, preferably with a meal.

Warnings & Precautions

Discontinue use and consult your doctor if any adverse reactions occur.

Keep out of reach of children.

Do not use if seal under cap is broken or missing.

WARNING: If you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use.

Formulation Notes

No Artificial Flavor or Sweetener, No Preservatives, No Sugar, No Starch, No Milk, No Lactose, No Soy, No Gluten, No Wheat, No Yeast, No Fish. Sodium Free.

Additional Information

For over 40 years, Vitamin World has pioneered the manufacture of premium nutritional supplements. Our commitment to quality is the highest in our industry. Every product undergoes rigorous analysis for purity, potency, safety and freshness. We guarantee it.

QA QUALITY ASSURED

Store at room temperature.

PROD. #8039 B8049 09D

Get healthy.

Inclusive Antioxidant Formula Natural Protective Bioflavonoid

Metadata

Product Details

UPC / SKU0 74312 78039 4
DSLD Entry Date2013-04-25
Product TypeOther Combinations
FormCapsule
DSLD ID20910
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
View all evidence for Vitamin C →
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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.