Quercetin+, 90 Capsules
Product Analysis
Transparency Excellent
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Vitamin C (Ascorbic Acid) | 100 mg | 111% |
| Zinc (as Zinc Oxide) | 11 mg | 100% |
| Quercetin Dihydrate (from Sophora japonica Bud Extract) | 500 mg | † |
Bioavailability Poor
Absorption Rating
- Vitamin C (Ascorbic Acid) Fair
- Zinc (as Zinc Oxide) Poor
- Quercetin Dihydrate (from Sophora japonica Bud Extract) Fair
Other Ingredients Excellent
Fillers & Additives
- Hypromellose (Capsule)
- Magnesium Stearate
- Silicon Dioxide
- Microcrystalline Cellulose
Efficacy Excellent
Dosage Analysis
- Vitamin C (Ascorbic Acid) 100 mg Effective
- Zinc (as Zinc Oxide) 11 mg Effective
- Quercetin Dihydrate (from Sophora japonica Bud Extract) 500 mg Effective
Supplement Facts
| Ingredient | Amount | % Daily Value |
|---|---|---|
| Vitamin C (Ascorbic Acid) | 100 mg | 111% |
| Zinc (as Zinc Oxide) | 11 mg | 100% |
| Quercetin Dihydrate (from Sophora japonica Bud Extract) | 500 mg | † |
Other Ingredients
Magnesium Stearate Safe
Silicon Dioxide Safe
Price Comparison
Price History
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Is Quantum Health Quercetin+, 90 Capsules a good supplement?
Quantum Health Quercetin+, 90 Capsules received a product quality score of 83/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 3 active ingredients with 90 servings per container. All 4 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Quantum Health, holds a brand trust score of 51/100 with 3 verified certifications including Non Gmo Project, Usda Organic, Vegan Certified.
What are the ingredients in Quantum Health Quercetin+, 90 Capsules?
Quantum Health Quercetin+, 90 Capsules contains 3 active ingredients: Vitamin C (Ascorbic Acid) (100 mg), Zinc (as Zinc Oxide) (11 mg), Quercetin Dihydrate (from Sophora japonica Bud Extract) (500 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.
Is Quantum Health Quercetin+, 90 Capsules safe to take?
Quantum Health Quercetin+, 90 Capsules has been analyzed for ingredient safety across all its components. All 4 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.
Is Quantum Health a trustworthy supplement brand?
Quantum Health receives a brand trust score of 51/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1981 and headquartered in Eugene, Oregon, United States, the company offers 21 products in their lineup. They hold 3 verified certifications including Non Gmo Project, Usda Organic, Vegan Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.
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