Quercetin 500 mg®

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 Veggie Capsule(s) · 1 per day

Not Present

• 

  Pure Naturals Quercertin 500 Mg Veggie Capsules

  Walmart - Vitaminshub4.5(10)

  $18.99
• 

  Pure Naturals Antioxidant Veggie Capsules

  Walmart - Vitaminshub5.0(5)

  $11.99
• 

  Pure Encapsulations Quercetin

  Supplement First4.8(430)

  $29.00
• 

  ProHealth Longevity Pure Quercetin

  ProHealth5.0(25)

  $55.95
• 

  Herbal Secrets Quercetin 500 mg

  PureFormulas.com4.6(64)

  $17.06
• 

  partiQlar Quercetin Supplement High Purity 500 mg per Capsule

  PartiQlar

  $59.97
• 

  Quercetin 500 Plus

  Natural Wellness Corner

  $34.95
• 

  Natural Factors Quercetin 500 mg

  The Healthy Place4.8(2100)

  $19.57

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• The Vitamin Shoppe

  4.5 (122)

  Vitamin & supplements store

  4053 Morse Crossing, Columbus, OH 43219

  Directions(614) 478-2803

• Bullfrog Nutrition Columbus

  4.9 (160)

  Vitamin & supplements store

  1109 Worthington Woods Blvd, Columbus, OH 43085

  Directions(614) 546-7848

• GNC

  4.5 (86)

  Vitamin & supplements store

  80 Meadow Park Ave, Lewis Center, OH 43035

  Directions(740) 657-8492

• Supzilla

  4.5 (44)

  Vitamin & supplements store

  6477 N Hamilton Rd, Westerville, OH 43081

  Directions(614) 245-1128

• Nutrify Supplements llc

  5.0 (22)

  Vitamin & supplements store

  7780 Corporate Blvd STE#2308, Plain City, OH 43064

  Directions(380) 286-4987

• The Vitamin Shoppe

  4.4 (102)

  Vitamin & supplements store

  1540 Olentangy River Rd, Columbus, OH 43212

  Directions(614) 299-2253

• GNC

  3.2 (42)

  Vitamin & supplements store

  1203 Polaris Pkwy, Columbus, OH 43240

  Directions(614) 438-5410

• GNC

  3.4 (81)

  Vitamin & supplements store

  164 Graceland Blvd F, Columbus, OH 43214

  Directions(614) 438-0060

• 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

  … herbal … 500 mg quercetin aglycone orally in healthy participants. Graefe et al. [23] also studied the pharmacokinetic properties of quercetin and maintained a dose level of up to 200 mg …

  2020872 citations

• Dietary quercetin supplements: Assessment of online product informations and quantitation of quercetin in the products by high‐performance liquid chromatography

  RG Vida, A Fittler, A Somogyi‐Végh… - Phytotherapy …, 2019 - Wiley Online Library

  … 1 daily (500 mg) Quercetin is one of the most active … much of their activity to their high-quercetin content. 1 daily (… Natrol Quercetin capsule and Pure encapsulations Quercetin capsule …

  201952 citations

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

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

  … ” or “used in Herbal Medicine as a capillary/blood … 500 mg quercetin with 500 mg vitamin C and 20 mg nicotinamide per day or 1000 mg quercetin with 1000 mg vitamin C and 40 mg …

  2018712 citations

• Polyherbal and multimodal treatments: Kaempferol-and quercetin-rich herbs alleviate symptoms of Alzheimer's disease

  C Alexander, A Parsaee, M Vasefi - Biology, 2023 - mdpi.com

  … is included in the Food and Drug Administration’s Generally Recognized as Safe (GRAS) list for supplemental use of up to 500 mg per serving in foods and beverages [129,354]. …

  202360 citations

• Quercetin as natural bioavailability modulator: An overview

  R Bhimanwar, L Kothapalli… - Research Journal of …, 2020 - indianjournals.com

  … given 500mg of quercetin orally once daily for 15 d followed by single dose of cefprozil (500 mg) on … if coadministered with quercetin or quercetin containing herbal preparations to avoid …

  202017 citations

• Modulation of aberrant crypt foci and apoptosis by dietary herbal supplements (quercetin, curcumin, silymarin, ginseng and rutin)

  SR Volate, DM Davenport, SJ Muga… - …, 2005 - academic.oup.com

  … with a ‘recommended’ dose of 1200–1500 mg/day (400–500 mg, 3 times a day) and in our … treatment group would have consumed ∼600 mg of quercetin and rutin per day. However, …

  2005347 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2025-01-23. DSLD Label ID: 323871. 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.