Quercetin 1000 mg

product on market Tablet or Pill KAL 🟢 Safety: 100/100
Brand: KAL
🟢 100/100

This product looks safe

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

Product Label

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Label Data

1 Tablet(s) Serving Size
60 Servings
Non-Nutrient/Non-Botanical Product Type
100% Evidence Coverage

Supplement Facts — Evidence Check

1000 mg
📊 Market median: 500.0mg (283 products) 📚 173 studies (Tier A: 0, B: 62)
This product: 1000mg

Other Ingredients

Cellulose Stearic Acid Silica

Label Claims — Verification

❓ All Other
❓ Structure/Function
All Other (99% of products) Structure/Function (84% of products) Nutrient (23% of products) Qualified Health (1% of products)

Target Groups

Vegan Vegetarian Adult (18 - 50 Years) Gluten Free Dairy Free

Product Information

📋 Directions for Use

1 Daily

Directions: Take 1 tablet with a meal or a glass of water. Use only as directed.

⚠️ Warnings & Precautions

Warning: Do not use if safety seal is broken or missing. Keep your licensed health care practitioner informed when using this product.

Keep out of reach of children.

🧪 Formulation Notes

Non-Citrus Bioflavonoid

Non GMO Gluten free

Vegan

Discussion: Quercetin is a non-citrus bioflavonoid. Bioflavonoids are intended to provide antioxidant activity and nutritive support to help maintain normal capillary permeability.

ActivTab technology guarantees tablet disintegration within 30 minutes according to USP standards.

Additional Information

PCR Bottle

Store in a cool, dry place.

The human body cannot manufacture bioflavonoids and therefore must receive its supply through supplementation or diet.

Product Details

UPC / SKU 0 21245 56530 7
DSLD Entry Date 2024-12-21
Product Type Non-Nutrient/Non-Botanical
Form Tablet or Pill
Brand KAL
DSLD ID 322939
Data Updated 2026-04-11

Research Evidence

184 Research Sources
55 Avg Quality Score
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 Cochrane
B Flavonoids for treating venous leg ulcers.
Cochrane Review The Cochrane database of systematic reviews
PubMed DOI Cochrane
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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