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Quercetin Complex

product on market Capsule Woodstock Vitamins Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 60% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

This complex combines quercetin and vitamin C, which have moderate evidence for supporting immune function and antioxidant activity. Bromelain and lemon bioflavonoids are included for their potential anti-inflammatory properties, though clinical evidence for these specific effects is more limited. Magnesium supports various physiological processes, including muscle and nerve function.

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

Label

Product Label

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

Label Data

1 Capsule(s)
Serving Size
100
Servings
Other Combinations
Product Type
60%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
100 mg (111% DV)
15 mg (4% DV)
Market median: 500.0mg (1 products) 316 studies (A:8, B:159)
250 mg
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)
25 mg
Market median: 200.0mg (136 products) 3 studies — no high-quality reviews

Other Ingredients

Vegan Capsule Cellulose Magnesium Stearate Silica
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: Take 1 or more capsules daily between meals.

Warnings & Precautions

Keep out of reach of children.

Formulation Notes

Quercetin is a naturally occurring bioflavonoid compound. Quercetin supports the antioxidant vitamin C in the body and assists with a healthy inflammation response. Bioflavonoids are compounds that give color to fruits and vegetables, as well as red and rose colored wines. Quercetin is found in foods such as apples, onions, beans, green leafy vegetables and citrus fruits. It can also be found in black and green teas, red wines and red grape juices. Bromelain, a proteolytic enzyme from pineapple, and magnesium are added to help support the body's response to inflammation.

Contains no artificial colors, flavors or preservatives; no wheat, gluten, milk, eggs, peanuts, tree nuts, soy, crustacean shellfish or fish. SGS verified the process for manufacturing this product with no GMO ingredients.

We guarantee our supplements for potency and purity

No GMO ingredients

Supports the body's response to inflammation

GF Gluten free

Additional Information

www.sgs.com/no-gmo

Store in a cool, dry place.

To report a serious adverse event, call 1-888-710-0006

Metadata

Product Details

UPC / SKU7 19985 18140 5
DSLD Entry Date2022-04-11
Product TypeOther Combinations
FormCapsule
DSLD ID263208
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.