Quercetin 1000 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.

Serving Size: 1 Tablet(s) · 1– per day

Not Present

• 

  KAL Antioxidant Activity Dietary Tablets

  Kal Vitamins4.7(155)

  $54.49
• 

  Best Naturals Quercetin 1000 mg 120 Vegetarian Capsules

  Target4.7(276)

  $14.99
• 

  Horbaach Quercetin Dihydrate 1170mg

  Walmart - Carlyle Nutritionals, LLC

  $17.49
• 

  Nature's Nutrition Antioxidant Dihydrate 1000mg Per Serving

  Target

  $24.52
• 

  Kal Quercetin Reacta-C Bromelain

  iHerb4.8(44)

  $21.79
• 

  DR. Martin's NUTRITION Antioxidant Seasonal Sinus Relief

  Walmart - DR MARTINS NUTRITION3.0(2)

  $17.99
• 

  Nutricost Quercetin

  Nutricost4.8(747)

  $21.97
• 

  Quercetin 1000mg Per Serving – Extra Strength Quercetin Dihydrate Capsules from Sophora Japonica – Plant-Based Bioflavonoids for Cellular & Immune

  Nature's Nutrition

  $13.32

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

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

• NorthStar Nutritionals

  4.4 (21)

  Vitamin & supplements store

  1001 Cathedral St, Baltimore, MD 21201

  Directions(800) 913-2592

• Real Advantage Nutrients

  4.4 (17)

  Vitamin & supplements store

  1001 Cathedral St, Baltimore, MD 21201

  Directions(800) 913-2602

• The Vitamin Shoppe

  4.5 (164)

  Vitamin & supplements store

  1313 York Rd, Lutherville, MD 21093

  Directions(410) 821-1611

• Nature & Herbs

  4.8 (325)

  Vitamin & supplements store

  6845 Loch Raven Blvd, Baltimore, MD 21286

  Directions(410) 296-3808

• BestHealth Nutritionals

  4.0 (5)

  Vitamin & supplements store

  1001 Cathedral St, Baltimore, MD 21201

  Directions(800) 223-2816

• GNC

  4.2 (56)

  Vitamin & supplements store

  5810 Baltimore National Pike Space #A-8, Baltimore, MD 21228

  Directions(410) 788-7004

• Whole Foods Market

  4.3 (1885)

  Grocery store

  1330 Smith Ave, Baltimore, MD 21209

  Directions(410) 532-6700

• The Vitamin Shoppe

  4.3 (157)

  Vitamin & supplements store

  9404 Reisterstown Rd, Owings Mills, MD 21117

  Directions(443) 394-8787

• 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

  … Kal–Quercetin tablets Bioflavonoids are intended to provide antioxidant activity to help fight … Natrol Quercetin capsule Supports healthy histamine levels and immune reactions against …

  201952 citations

• Dose–response to 3 months of quercetin-containing supplements on metabolite and quercetin conjugate profile in adults

  L Cialdella-Kam, DC Nieman, W Sha… - British journal of …, 2013 - cambridge.org

  British Journal of Nutrition Page 1 Dose–response to 3months of quercetin-containing supplements on metabolite and quercetin conjugate profile in adults Lynn Cialdella-Kam1, David …

  201374 citations

• 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

• Quercetins efficacy on bone and inflammatory markers, body composition, and physical function in postmenopausal women

  AR Bailly, GM Hester, MG Alesi, RJ Buresh… - Journal of Bone and …, 2025 - Springer

  … Thirty-three healthy postmenopausal women were recruited … investigate the effects of quercetin supplementation over 90 days on … We hypothesize that supplementing with quercetin will …

  20256 citations

• The potential toxic side effects of flavonoids

  Z Tang, Q Zhang - Biocell, 2022 - search.proquest.com

  … , as dietary supplements and natural health products … of flavonoids can cause adverse health effects if the doses … were treated with 0, 1000, 10000, or 40000 ppm quercetin (>95% …

  202258 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2021-09-24. DSLD Label ID: 253254. 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.