Quercetin Zinc+

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

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 83% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

1 Tablet(s) Serving Size
90 Servings
Other Combinations Product Type
83% Evidence Coverage

Supplement Facts — Evidence Check

25 mg (227% DV)
✅ 2.3× RDA — within safe limits 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 25mg UL 40mg
0.225 mg (25% DV)
✅ Within RDA (0.2× RDA of 0.9 mg) 📚 36 studies (Tier A: 0, B: 11)
RDA 0.9mg This product: 0.225mg UL 10mg
500 mg
📊 Market median: 500.0mg (283 products) 📚 173 studies (Tier A: 0, B: 62)
This product: 500mg
50 mg
📊 Market median: 175.0mg (497 products) 📚 11 studies (Tier A: 0, B: 1)
This product: 50mg
25 mg
📊 Market median: 400.0mg (380 products) 📚 34 studies (Tier A: 1, B: 10)
This product: 25mg
Oregano Leaf Extract
25 mg

Other Ingredients

Cellulose Stearic Acid Croscarmellose Sodium Magnesium Stearate Silica Hypromellose Glycerin

Label Claims — Verification

❓ Nutrient
❓ 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 Sugar Free

Product Information

📋 Directions for Use

Directions: for adults, take 1 tablet daily with food or as directed by a doctor.

⚠️ Warnings & Precautions

Tamper evident: Do not use if imprinted seal under cap is broken.

Keep out of reach of children.

Warning: always consult your health care provider before taking dietary supplements.

🧪 Formulation Notes

Vegan

This product does not contain any animal products, derivatives or byproducts.

Guaranteed 100% vegan

Quercetin is a flavonoid pigment that is present in many fruits and vegetables. Zinc is an essential mineral our body needs for health and proper function.

Quercetin zinc + includes elderberry, echinacea & oregano extracts 500 mg Quercetin + 25 mg zinc

Food sensitivity: free of yeast, soy, wheat, gluten, dairy, egg, salt, shellfish, sugar, animal products or derivatives.

Additional Information

Vegan

This product is registered with the Vegan Society.

Store in a cool, dry place.

Product Details

UPC / SKU 8 95634 00066 9
DSLD Entry Date 2023-08-23
Product Type Other Combinations
Form Tablet or Pill
Brand DEVA
DSLD ID 299495
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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