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Quercetin 1000 mg

product on market Capsule NusaPure Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · grounded in 1 source · methodology

Quercetin is researched for its antioxidant and anti-inflammatory properties, with moderate evidence supporting its role in managing allergic responses. Clinical data suggests it may help stabilize mast cells to reduce histamine release. Evidence for other systemic health benefits remains limited.

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

Label

Product Label

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

Label Data

2 Veg Capsule(s)
Serving Size
100
Servings
Botanical
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

1000 mg
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)

Other Ingredients

Cellulose Magnesium Stearate Rice Flour Silica
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: For adults, take two (2) capsules daily, preferably with meals.

Warnings & Precautions

Warning: Pregnant or lactating women should consult a doctor before using any product. Consult your doctor before use if you have, or have had, any health condition or if you are taking any medications or remedies, including OTC medications, or are planning any medical procedure.

Avoid this product is you have had kidney stones or kidney dysfunction. Discontinue use and consult your doctor if any adverse reactions occur, such as gastrointestinal discomfort.

Not intended for use by persons under the age of 18. Keep out of reach of children.

Allergen information: Not manufactured with yeast, wheat, gluten, soy, corn, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.

Formulation Notes

Quercetin 1000 mg per serving

Assembled in USA Tested Supports normal nutritional supplementation Made under strict GMP guidelines Max strength

Suitable for vegetarians/vegans

Allergen information: Not manufactured with yeast, wheat, gluten, soy, corn, milk, egg, fish, shellfish or tree nut ingredients. GMO free Made with Non-GMO ingredients

Natural color variation may occur in this product.

Additional Information

New

Store in cool dry place. Avoid excessive heat or moisture.

Premium Quality Assembled in USA GMO free Made with Non-GMO ingredients Gluten free FDA Registered Facility

Manufactured in a cGMP inspected facility

Metadata

Product Details

UPC / SKUX001WQRZM3
DSLD Entry Date2024-06-20
Product TypeBotanical
FormCapsule
DSLD ID307385
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.