🟢 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

📸

Have a supplement label? Find it here.

Upload a photo of any supplement label to search our database of 92,312 products.

Label Data

1 Vegetable Capsule(s) Serving Size
200 Servings
Non-Nutrient/Non-Botanical Product Type
100% Evidence Coverage

Supplement Facts — Evidence Check

📊 Market median: 500.0mg (283 products) 📚 173 studies (Tier A: 0, B: 62)
This product: 500mg

Other Ingredients

Vegetable Cellulose Rice Flour

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) Women (not pregnant or lactating)

Product Information

📋 Directions for Use

Suggested Use: For adults, take one (1) capsule daily, preferably with a meal. Consult your doctor before use; take periodic breaks from use.

⚠️ Warnings & Precautions

Caution: Do not exceed the recommended dose.

Not intended for pregnant or nursing mothers.

Not intended for children under 18 years of age.

If you are taking any medications, have a known medical condition, or are planning a medical procedure, consult your doctor before use.

Avoid this product if you have or have had kidney stones. Discontinue use and consult your doctor if any adverse reactions occur.

Keep out of reach of children.

Do not use if safety seal is damaged or missing.

🧪 Formulation Notes

Vegan friendly

Max strength flavonoid Supports immune & skin health Supports cardiovascular health Powerful antioxidant

No preservatives

aSquared Nutrition is proud to offer a maximum strength Quercetin supplement. Quercetin is a type of flavonoid that is naturally found in berries, broccoli, and leafy greens. Quercetin is a powerful antioxidant that supports cardiovascular & immune system health, helps fight allergies, and may improve endurance.

Additional Information

GMP Good Manufacturing Practice Quality Assured

Please recycle.

Store in a cool, dry place.

200 day supply

USA Formulated

Product Details

UPC / SKU X001EWXNWV
DSLD Entry Date 2022-04-11
Product Type Non-Nutrient/Non-Botanical
Form Capsule
DSLD ID 263993
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
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
B Dietary polyphenols and the risk of metabolic syndrome: a systematic review and meta-analysis
Meta Analysis BMC endocrine disorders 2024
B Quercetin and endurance exercise capacity: a systematic review and meta-analysis
Meta Analysis Medicine and science in sports and exercise 2011
B Dietary flavonoid intake and smoking-related cancer risk: a meta-analysis
Meta Analysis PloS one 2013
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
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
B Dietary flavonoid for preventing colorectal neoplasms.
Cochrane Review The Cochrane database of systematic reviews
B Flavonoids for treating venous leg ulcers.
Cochrane Review The Cochrane database of systematic reviews
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
View all evidence for Quercetin →

Compare Similar Products

View all Quercetin products →