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Quercetin 500

product on market Capsule Totally Products 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 bromelain are researched for their potential antioxidant and anti-inflammatory properties. There is moderate evidence suggesting these ingredients may support respiratory health and immune function. However, overall evidence coverage for this specific formulation is limited.

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

Label

Product Label

Label for Quercetin 500
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Vegetable Capsule(s)
Serving Size
60
Servings
Non-Nutrient/Non-Botanical
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

500 mg
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)
Market median: 200.0mg (136 products) 3 studies — no high-quality reviews

Other Ingredients

Hydroxypropyl Methylcellulose Magnesium Stearate Silicon Dioxide
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use: 1 capsule taken 1 to 2 times daily preferably with a meal or as directed by a healthcare professional.

Warnings & Precautions

Caution: Do not exceed recommended dose.

Pregnant or nursing mothers, children under 18, and individuals with a known medical condition should consult a physician before using this or any dietary supplement.

Pregnant or nursing mothers, children under 18, and individuals with a known medical condition should consult a physician before using this or any dietary supplement.

This product is manufactured and packaged in a facility which may also process milk, soy, wheat, egg, peanuts, tree nuts, fish and crustacean shellfish.

Keep out of the reach of children.

Do not use if safety seal is damaged or missing.

Formulation Notes

High potency Respiratory health

Bromelain

Non-GMO

Advanced formula

Additional Information

GMP Sourced From A GMP Certified Facility Formulated In The USA

Please recycle

Store in a cool, dry place.

Metadata

Product Details

UPC / SKU0 72929 83698 5
DSLD Entry Date2023-09-25
Product TypeNon-Nutrient/Non-Botanical
FormCapsule
DSLD ID294218
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.