Brand: Nutricost

CapsuleOn Market
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Net Contents

120 Capsule(s)

Serving Size

2 Capsule(s)

Servings Per Container

Not specified

Supplement Form

Capsule

Bar Code (UPC/SKU)

8 10014 67326 4

Product Version

Not specified

Suggested Use

Suggested Use:As a dietary supplement; take 2 capsules daily with 8-12 oz of water or as directed by your healthcare professional.

Market Reference

$12.72 – $45.00· 21 listings
  • Nutricost Quercetin

    iHerb4.8(747)
    $21.95
  • Nutricost Quercetin with Bromelain

    Target4.7(2000)
    $34.95
  • Best Naturals Quercetin 1000 mg 60 Tablets

    Target4.7(276)
    $17.99
  • Horbaach Quercetin Dihydrate 1170mg

    Walmart - Carlyle Nutritionals, LLC
    $17.49
  • Nutricost Zinc + Quercetin Supplement 120 Capsules

    iHerb
    $17.95
  • Nature's Nutrition Antioxidant Dihydrate 1000mg Per Serving

    Target
    $24.52
  • Hello Lovely! Antioxidant Supplement Capsules

    Walmart - SilverOnyx LLC4.0(2)
    $12.72Lowest
  • Quercetin 1000mg Per Serving – Extra Strength Quercetin Dihydrate Capsules from Sophora Japonica – Plant-Based Bioflavonoids for Cellular & Immune

    Nature's Nutrition
    $13.32

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Research & Studies

  • Safety aspects of the use of quercetin as a dietary supplement

    S Andres, S Pevny, R Ziegenhagen… - Molecular nutrition & …, 2018 - Wiley Online Library

    … aglycone, and frequently in daily doses of up to 1000 mg d –… quercetin used as single compound in dietary supplements. … critical health aspects regarding the safe use of quercetin as …

    2018712 citations
  • Therapeutic potential and clinical effectiveness of quercetin: a dietary supplement

    V Devi, G Deswal, R Dass, B Chopra… - Recent Advances in …, 2024 - benthamdirect.com

    … Quercetin, having the chemical formula C15H10O7, is the most common dietary flavonoid [5]… Quercetin is a bioflavonoid that has been shown to improve human health in recent years [8]…

    202410 citations
  • Daily quercetin supplementation dose-dependently increases plasma quercetin concentrations in healthy humans

    S Egert, S Wolffram, A Bosy-Westphal… - The Journal of …, 2008 - academic.oup.com

    … Our finding that quercetin supplementation did not decrease the concentrations of the proinflammatory cytokine TNFa might be explained by a general lack of quercetin to reduce TNFa …

    2008444 citations
  • Influence of quercetin supplementation on disease risk factors in community-dwelling adults

    AM Knab, RA Shanely, DA Henson, F Jin… - Journal of the American …, 2011 - Elsevier

    … quercetin, vitamin C, and niacin supplements (500 mg quercetin, 125 mg vitamin C, and 5 mg niacin [Q-500]; 1,000 … Plasma quercetin increased in the Q-500 and Q-1,000 groups. No …

    201163 citations
  • Safety evaluation of a soluble granular food containing quercetin glycosides for healthy adults: A randomized controlled trial

    M Iida, M Onozato, H Sasaki, I Yamasaki, T Tanaka… - NFS Journal, 2025 - Elsevier

    Background Quercetin glycosides (QG), enzymatically modified isoquercitrin derivatives, are widely used in functional foods for their antioxidant, antihypertensive, and lipid metabolism …

    2025
  • Phytochemicals as nutraceuticals: a review

    JS Dhumal, AK Thikekar, AB Kumbhar… - J Neonatal …, 2025 - researchgate.net

    … They play important pharmacological effects in our health and … Such products may range from dietary supplements to genetically … Quercetin and its derivatives are naturally occurring …

    20251 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2022-07-21. DSLD Label ID: 270729. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.