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Quercetin 500 mg + D3

product on market Capsule Country Life 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

Vitamin D3 is supported by strong evidence for maintaining bone health and immune function. Quercetin is a flavonoid with moderate research suggesting antioxidant and anti-inflammatory properties. Together, these ingredients target immune support, though overall evidence coverage for this specific combination is limited.

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

Label

Product Label

Label for Quercetin 500 mg + D3
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
30
Servings
Other Combinations
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

20 mcg (100% DV)
1.3× RDA — within safe limits 608 studies (A:16, B:251)
500 mg
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)

Other Ingredients

Cellulose Magnesium Stearate Silica
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: Adults, take one (1) capsule daily, preferably with a fat-containing meal. As a reminder, discuss the supplements and medications that you take with your health care providers.

Once daily

Warnings & Precautions

Caution: If you are pregnant, nursing, or taking medication, have a medical condition or planning surgery, consult a doctor before using this product.

Stop using and consult a doctor if any adverse reactions occur. Do not accept if seal is broken.

Keep out of the reach of children.

Formulation Notes

More than Quercetin, this formula contains Vitamin D3 to pack an immune punch! Together, Quercetin (a flavonoid found in fruits & vegetables) and Vitamin D3 (essential nutrient) support immune health.

Yes Certified gluten-free by gfco.org

Yes Certified vegetarian by the AVA

Yes Kosher-Parve

No Yeast, corn or wheat No Soy, milk or salt No Sugar or preservatives No Artificial colors, flavors or sweeteners

This product has been manufactured at a GMP Registered facility.

Quercetin +D3 With 500 mg of Quercetin & 100% DV of Vitamin D3

Certified Gluten-free

Supports a healthy immune response & strong cellular function

Additional Information

Yes Recyclable packaging Yes Manufacturing supports wind power

Certified Gluten free GFCO.org Certified B Corporation K Parve (Kosher)

Our pledge of integrity Authenticity Cleanliness Freshness Consistency Accuracy

Store in a dry place between 59 degrees - 86 degrees F.

Metadata

Product Details

UPC / SKU0 15794 01626 7
DSLD Entry Date2022-11-22
Product TypeOther Combinations
FormCapsule
DSLD ID277201
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.