Quercetin Bioflavonoid Complex®

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Serving Size: 1 Capsule(s) · 1–3 per day

Not Present

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  Natural Factors Quercetin 500 mg

  Fruitful Yield4.8(710)

  $19.57
• 

  Natural Factors Quercetin with Zinc and Copper

  Walmart - Pattern4.8(1400)

  $23.07
• 

  Natural Factors Bioactive Quercetin EMIQ

  Swanson Health Products4.7(710)

  $23.77
• 

  Natural Factors C Extra + Quercetin

  Walmart - Pattern4.8(397)

  $13.97
• 

  Natural Factors Citrus Bioflavonoids

  Target4.8(1100)

  $13.99
• 

  Natural Factors Quercetin LipoMicel Matrix 30 Softgels

  Instacart4.9(29)

  $18.99
• 

  Natural Factors Vitamin C

  Natural Factors4.7(5400)

  $12.95
• 

  Natural Factors Quercetin 500 mg 60 Vegetarian Capsules

  St. James Nutrition

  $23.76

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Showing representative supplement & health retailers — search above for stores in your area.

• Walgreens

  4.0 (67)

  Vitamin & supplements store

  225 MS-30, New Albany, MS 38652

  Directions(662) 534-8044

• Super Saver Drugs Pharmacy

  4.7 (24)

  Pharmacy

  498 W Bankhead St, New Albany, MS 38652

  Directions(662) 534-4774

• Nutrishop Tupelo

  5.0 (141)

  Vitamin & supplements store

  115 N Thomas St Ste h, Tupelo, MS 38801

  Directions(662) 610-4546

• The Oxford Vitamin Company

  4.9 (38)

  Vitamin & supplements store

  210 Merchants Dr, Oxford, MS 38655

  Directions(662) 636-6478

• Walmart Supercenter

  4.0 (2377)

  Department store

  202 Park Plaza Dr, New Albany, MS 38652

  Directions(662) 534-9374

• Whole Family Nutrition & Market

  4.7 (106)

  Health food store

  1798 N Gloster St, Tupelo, MS 38804

  Directions(662) 691-8522

• Guntown Nutrition

  4.5 (6)

  Health food store

  1449 MS-145, Guntown, MS 38849

  Directions

• Wholesale Nutrition Inc

  4.8 (385)

  Vitamin & supplements store

  2202 Goodman Rd E, Southaven, MS 38672

  Directions(662) 349-0211

• Which sources of flavonoids: complex diets or dietary supplements?

  S Egert, G Rimbach - Advances in Nutrition, 2011 - academic.oup.com

  … whether vascular health-promoting and … quercetin has been marketed as a dietary supplement with recommended daily doses of up to 1 g and more (31), whereas the daily quercetin …

  2011281 citations

• A systematic review: quercetin—secondary metabolite of the flavonol class, with multiple health benefits and low bioavailability

  OD Frenț, L Stefan, CM Morgovan, N Duteanu… - International Journal of …, 2024 - mdpi.com

  … , we pay special attention to quercetin, detailing its chemical … present natural sources of quercetin and emphasize its health … Moreover, quercetin can inhibit bacterial virulence factors, …

  2024144 citations

• The pharmacological activity, biochemical properties, and pharmacokinetics of the major natural polyphenolic flavonoid: quercetin

  GES Batiha, AM Beshbishy, M Ikram, ZS Mulla… - Foods, 2020 - mdpi.com

  … Quercetin is one of the most significant bioflavonoid … C-protein (CRP) expression that causes inflammation [57]. Due to its … of quercetin in the urine and plasma of healthy people after the …

  2020885 citations

• … High-Dose Vitamin C Supplement Enriched with a Low Dose of Bioflavonoids; In Vitro Assessment and In Vivo Evaluation Through a Clinical Study in Healthy …

  V Chrysikopoulou, A Rampaouni, E Koutsia… - Nutrients, 2025 - mdpi.com

  … vitamin C and quercetin resulted inducing Nuclear Factor Erythroid 2-Related Factor 2 (Nrf2) … Moreover, quercetin treatment has exhibited enhancement of anticancer effects of vitamin C …

  202513 citations

• Consideration for flavonoid-containing dietary supplements to tackle deficiency and optimize health

  J Solnier, C Chang, J Pizzorno - International journal of molecular …, 2023 - mdpi.com

  … diet with a high intake of citrus bioflavonoids [49]. … Clinical studies have proposed quercetin as a promising natural … is a complex process that is affected by numerous dietary factors. This …

  202351 citations

• Dietary flavonoid quercetin and associated health benefits—an overview

  AT Jan, MR Kamli, I Murtaza, JB Singh… - Food Reviews …, 2010 - Taylor & Francis

  … Quercetin causes scavenging of free radicals like superoxide as such there occurs less chances of reaction between free radicals and nitric oxide. Strong anti-oxidative mechanism …

  2010204 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2012-04-26. DSLD Label ID: 8221. 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.