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Quercetin 1000 mg

product on market Capsule O Orgeuos Safety: 92/100
92/100

This product looks safe

  • Vitamin D3: 0.125mg is 1.2× the Tolerable Upper Intake Level (0.1mg)
  • Zinc Blend: 50mg is 1.2× the Tolerable Upper Intake Level (40mg)
  • 56% of ingredients have research evidence
D Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula combines quercetin and zinc, which have moderate evidence for supporting immune function. Vitamin C and D3 are well-established nutrients for maintaining overall health, while black elder fruit extract has limited research regarding respiratory support. The combination focuses on synergistic antioxidant and immune-modulating properties.

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

Alerts

Safety Alerts

Vitamin D3: 0.125mg is 1.2× the Tolerable Upper Intake Level (0.1mg)

Zinc Blend: 50mg is 1.2× the Tolerable Upper Intake Level (40mg)

Label

Product Label

Label for Quercetin 1000 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Capsule(s)
Serving Size
60
Servings
Other Combinations
Product Type
56%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
1000 mg (1111% DV)
125 mcg (625% DV)
Exceeds UL by 1.2× (UL: 0.1 mg) 608 studies (A:16, B:251)
50 mg (455% DV)
Exceeds UL by 1.2× (UL: 40 mg) 263 studies (A:6, B:134)
Market median: 175.0mg (497 products) 11 studies (A:0, B:1)
1000 mg
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)
Market median: 167.0mg (311 products) 183 studies (A:0, B:65)
Q-Balance Immune Blend
350 mg
Black Pepper Fruit Extract
5 mg
Sodium
10 mg
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Use suggestion: For adults, take 2 capsules daily, preferably with a meal, or as directed by your healthcare professional.

Warnings & Precautions

Keep out of the reach of children.

If you are pregnant, nursing, taking medications, consult your physician before use.

Formulation Notes

Made in China

Quercetin Elderberry 1000 mg per serving

High Potency Antioxidant & anti-aging Boosts immunity Anti-inflammatory Improves respiratory health

Additional Information

Caution: Store tightly closed, in a cool, dry place away from heat and light.

GMP Consistent Quality

Metadata

Product Details

DSLD Entry Date2024-12-21
Product TypeOther Combinations
FormCapsule
BrandO Orgeuos
DSLD ID325829
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.