EuroMedica Quercetin Plus Vitamin C supplement bottle
EuroMedica

Quercetin Plus Vitamin C

What We Researched
2 active ingredients analyzed · 4 inactive ingredients decoded · 1 brand certification checked · 1 retailer compared · Last updated: Mar 2026
75
Product Score Fair
61
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (as ascorbic acid) 250 mg 278%
Quercetin [from Japanese pagoda tree (Sophora japonica) flower buds] 200 mg
Bioavailability Fair

Absorption Rating

  • Vitamin C (as ascorbic acid) Fair
  • Quercetin [from Japanese pagoda tree (Sophora japonica) flower buds] Fair
Other Ingredients Excellent

Fillers & Additives

  • Gamma cyclodextrin
  • Hydroxypropyl Methylcellulose (Vegetable Cellulose Capsules)
  • Vegetable Source Magnesium Stearate
  • Silica
Efficacy Fair

Dosage Analysis

  • Vitamin C (as ascorbic acid) 250 mg Effective
  • Quercetin [from Japanese pagoda tree (Sophora japonica) flower buds] 200 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C (as ascorbic acid) 250 mg 278%
Quercetin [from Japanese pagoda tree (Sophora japonica) flower buds] 200 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gamma cyclodextrin Unknown
Hydroxypropyl Methylcellulose (Vegetable Cellulose Capsules) Safe

It is used to encapsulate supplement ingredients.

Vegetable Source Magnesium Stearate Generally_safe

It prevents ingredients from sticking to manufacturing equipment.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Price Comparison

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
EuroMedica

Founded 2010 · Green Bay, WI, USA · 21 products · euromedicausa.com/

Certifications

1 certification
Fda Gmp Inspections Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed Source

Violation History

1 incident
Recall EuroMedica® Active B Complex2023-04-21Source
Related Supplements
Frequently Asked Questions
Is EuroMedica Quercetin Plus Vitamin C a good supplement?

EuroMedica Quercetin Plus Vitamin C received a product quality score of 75/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 2 active ingredients with 60 servings per container. Of the 4 inactive ingredients, 2 are rated safe and 0 are flagged for review. The manufacturer, EuroMedica, holds a brand trust score of 61/100 with 1 verified certifications including Fda Gmp Inspections.

What are the ingredients in EuroMedica Quercetin Plus Vitamin C?

EuroMedica Quercetin Plus Vitamin C contains 2 active ingredients: Vitamin C (as ascorbic acid) (250 mg), Quercetin [from Japanese pagoda tree (Sophora japonica) flower buds] (200 mg). Notable high-dose ingredients include Vitamin C at 278% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is EuroMedica Quercetin Plus Vitamin C safe to take?

EuroMedica Quercetin Plus Vitamin C has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is EuroMedica a trustworthy supplement brand?

EuroMedica receives a brand trust score of 61/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2010 and headquartered in Green Bay, WI, USA, the company offers 21 products in their lineup. They hold 1 verified certifications including Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: EuroMedica has 1 historical regulatory incident on record, which are factored into the trust score.

How much vitamin d3 should i take daily?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

What does vitamin d do?

This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 250,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

How much vitamin d3 per day for a woman?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.