Quercetin 475 mg High Potency

Suggested Use

Suggested use: As a dietary supplement; take one veggie capsule one to two times per day with water.

• 

  Swanson Quercetin 475 mg

  iHerb4.7(648)

  $15.79
• 

  Swanson Quercetin Bromelain

  Swanson Health Products4.7(1100)

  $45.79
• 

  Swanson Resveratrol & Quercetin

  Swanson Health Products4.7(139)

  $21.39
• 

  Swanson Ultimate Respiratory Defense with Nac & Quercetin

  Swanson Health Products4.4(19)

  $12.76Lowest
• 

  Swanson Resveratrol & Quercetin with Grape Seed Extract -3 in 1 Formula 2 Pack

  Walmart - Pattern4.7(139)

  $38.55
• 

  Solaray Quercetin 500 mg

  Swanson Health Products4.8(983)

  $28.39
• 

  Pure Encapsulations Quercetin

  Harrison Pharmacy & Wellness4.8(430)

  $27.80
• 

  Swanson Quercetin & Bromelain- Supplement- Unique Natural Formula-(250 Capsules, 260/78mg Each) (2 Pack)

  GoSupps.com4.7(1100)

  $134.99

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.

• The Vitamin Shoppe

  4.5 (152)

  Vitamin & supplements store

  19510 Hawthorne Blvd, Torrance, CA 90503

  Directions(310) 921-3574

• EarthNutri

  5.0 (14)

  Vitamin & supplements store

  17510 S Broadway C, Gardena, CA 90248

  Directions(310) 523-5108

• Nutritional Warehouse

  4.8 (34)

  Vitamin & supplements store

  2118 Lincoln Blvd, Venice, CA 90291

  Directions(310) 392-3636

• GNC

  4.0 (44)

  Vitamin & supplements store

  12730 Hawthorne Blvd, Hawthorne, CA 90250

  Directions(310) 676-9228

• Doctry's Choice

  5.0 (40)

  Vitamin & supplements store

  1212 W Gardena Blvd Suite B, Gardena, CA 90247

  Directions(877) 920-2988

• Healthy Nutrition Group LLC

  4.7 (127)

  Health and beauty shop

  306 Pico Blvd, Santa Monica, CA 90405

  Directions(888) 416-3907

• Blaine's Nutrition Center

  4.7 (13)

  Vitamin & supplements store

  206 Ave I, Redondo Beach, CA 90277

  Directions(310) 540-4826

• The Vitamin Shoppe

  4.5 (150)

  Vitamin & supplements store

  1800-G Rosecrans Ave, Manhattan Beach, CA 90266

  Directions(310) 643-5634

• Flavonoids, inflammation and cancer

  H Swanson - 2015 - books.google.com

  … are found in high concentrations in berries.8,19 Quercetin is also … of quercetin absorption from apples and onions in healthy … , daily administration of quercetin (500 mg) was found to …

  201524 citations

• Deciphering the role of polyphenols in sports performance: From nutritional genomics to the gut microbiota toward phytonutritional epigenomics

  V Sorrenti, S Fortinguerra, G Caudullo, A Buriani - Nutrients, 2020 - mdpi.com

  … quercetin, protocatecuic acid contributes to beneficial health … the effect of supplementation of 500 mg of quercetin daily for … quercetin group, suggesting that quercetin supplementation …

  202068 citations

• Herbs and natural supplements, volume 2: An evidence-based guide

  L Braun, M Cohen - 2014 - books.google.com

  … Finally, thank you to all the health care professionals that have told me they use this book … Effect of quercetin and Albizia saponins on rat mast cell. Indian J Physiol Pharmacol 29.1 (…

  2014569 citations

• Functional Food Ingredients Enhancing Immune Health: A Systematic Review

  I Skenderidou, S Leontopoulos… - International journal of …, 2025 - mdpi.com

  … Flavonoids such as quercetin and hesperidin display potent immunomodulatory and antiviral properties. Quercetin inhibits viral entry and replication by targeting viral proteases and …

  202518 citations

• The Simultaneous Prevention of Multiple Diseases: A “One Ring to Rule Them All” Framework for Redox-Driven Health and Longevity

  HR Silverstein, AA Rizvanov, DD Haines, FF Mahmoud… - Nutrients, 2026 - mdpi.com

  20262 citations

• Nonvitamin and nonmineral nutritional supplements

  SM Nabavi, ATS Silva - 2018 - books.google.com

  … as supplements. Readers will find valuable insights on the impact of dietary supplementation on human health, … aspects of each supplement.-Provides reliable information on available …

  2018148 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2019-05-28. DSLD Label ID: 203179. 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.