Quercetin 500 mg®
Non-Nutrient / Non-BotanicalBrand: California Gold Nutrition
Functions
Net Contents
30 Veggie Capsule(s)
Serving Size
1 Capsule(s)
Servings Per Container
30
Supplement Form
Capsule
Bar Code (UPC/SKU)
8 98220 01845 1
Product Version
LREV0221quer30 cgn1845
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
Single-ingredient formula listed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
Label states: Gluten-Free.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Allergen Guide
Free From
- Soy
- Gluten
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.
Supplement Facts
Serving Size: 1 Capsule(s) · 1 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| Quercetin(Quercetin Dihydrate) | 500 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Suggested Usage: Take 1 capsule daily, with food. Best when taken as directed by a qualified healthcare professional.
Warnings & Precautions
Precautions re: Children
Warnings: Keep out of reach of children. Pregnant or lactating women, the chronically ill, elderly, individuals under the age of 18, those taking prescription medications (e.g., blood thinners) as well as those with a physician-diagnosed medical condition should consult with a physician, pharmacist, naturopath or other qualified healthcare professional prior to taking dietary supplements.
Precautions re: Pregnant or Nursing or Prescription Medications
Pregnant or lactating women, the chronically ill, elderly, individuals under the age of 18, those taking prescription medications (e.g., blood thinners) as well as those with a physician-diagnosed medical condition should consult with a physician, pharmacist, naturopath or other qualified healthcare professional prior to taking dietary supplements.
Precautions re: All Other
Sealed for your protection. Do not use if seal is missing or broken.
Precautions re: Allergies
This product is not manufactured with milk, eggs, fish, crustacean shellfish, tree nuts, peanuts, wheat, soy, sesame, or gluten. Produced in a third-party, audited and registered cGMP compliant facility that may process other products that contain these allergens or ingredients.
Storage
Storage
Best stored at controlled room temperature 20 degrees C to 25 degrees C (68 degrees F to 77 degrees F). Improper storage conditions, such as extended exposure to direct sunlight, high heat & humidity can cause product degradation over time.
Formulation
Formulation re: Other
Supports Healthy Immune System Function
Formulation re: Does NOT Contain
Formulated to Contain No Gluten No GMOs No Soy This product is not manufactured with milk, eggs, fish, crustacean shellfish, tree nuts, peanuts, wheat, soy, sesame, or gluten.
FDA Statements
FDA Disclaimer Statement
This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
FDA Statement of Identity
Dietary Supplement
Other Label Statements
Brand IP Statement(s) re: (c), (TM), (SM)
California Gold Nutrition is a registered trademark of Madre Labs, LLC
General Statements: All Other Content
All California Gold Nutrition products come with a 100% GOLD Guarantee. If you are not completely satisfied with your purchase, return the unused portion within 90 days for a full refund.
Manufacturer & Distributor
Market Reference
California Gold Nutrition Quercetin
iHerb4.8(503)$50.93
California Gold Nutrition Quercetin Plus with Quercetin, Vitamin C, Citrus Bioflavonoids, Bromelain, Turmeric and Vitamin C
iHerb4.7(374)$33.17
California Gold Nutrition Quercetin Phytosome Quercefit
iHerb4.8(1000)$17.98
Quercetin 500
ProCaps Laboratories$22.90
California Gold Nutrition Multivitamin and Mineral Two-A-Day
iHerb4.7(4700)$17.69Lowest
Quercetin 500 Plus
Holistic Health International$25.95
Quercetin Synergy 500
Pure Prescriptions$63.95
Joyli Quercetin Gummies Quercetin with Bromelain Zinc & Vitamin C
Walmart - AMZEX4.4(9)$23.00
Where to Buy Locally
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.
Exalted Nutrition
4.9 (31)Vitamin & supplements store
3519 Maple Ave, Zanesville, OH 43701
West Side Nutrition
5.0 (5)Health food store
4110 W Pike, Zanesville, OH 43701
Sun Shack
4.9 (7)Vitamin & supplements store
643 McIntire Ave, Zanesville, OH 43701
Little Shop Of Health, LLC
4.9 (7)Natural goods store
2810 Maple Ave C, Zanesville, OH 43701
GNC
3.7 (27)Vitamin & supplements store
619 Hebron Rd Spc 60, Heath, OH 43056
Supzilla Newark
5.0 (5)Vitamin & supplements store
1945 W Main St Unit #74, Newark, OH 43055
Beyond Max Supplements & Nutrition
4.6 (48)Vitamin & supplements store
1149 N Memorial Dr, Lancaster, OH 43130
Shrivers Pharmacy & Wellness Center
5.0 (12)Pharmacy
2050 E Pike, Zanesville, OH 43701
Research & Studies
Therapeutic potential of quercetin: new insights and perspectives for human health
B Salehi, L Machin, L Monzote, J Sharifi-Rad… - ACS …, 2020 - ACS Publications
… diabetes, the subjects were assigned to Que (500 mg capsule daily) and placebo groups. The … In another clinical study, 23 healthy men were fed 4.3 g of onion extract (containing 51 mg …
2020759 citationsEffects of the dietary flavonoid quercetin upon performance and health
JM Davis, EA Murphy… - Current sports medicine …, 2009 - journals.lww.com
… the effects of 7 d of quercetin (500 mg twice daily, a dose similar to the 12.5 mg·kg −1 dose … time to fatigue on a bicycle ergometer in healthy untrained men and women. An increase in …
2009311 citationsMolecular and physiological actions of quercetin: need for clinical trials to assess its benefits in human disease
SL Miles, M McFarland, RM Niles - Nutrition reviews, 2014 - academic.oup.com
… , quercetin oral supplementation with aglycone capsules at low does (500 mg or 1,000 mg per day) increased plasma quercetin … , pigs, or healthy volunteers demonstrated that quercetin …
2014159 citationsQuercetin supplementation does not alter antioxidant status in humans
RA Shanely, AM Knab, DC Nieman, F Jin… - Free radical …, 2010 - Taylor & Francis
… [Citation19] in healthy adults, and by our research team in studies of endurance athletes [… In summary, quercetin supplementation in doses of 500 mg or 1000 mg/day did not improve …
2010105 citationsQuercetin and cancer: new insights into its therapeutic effects on ovarian cancer cells
A Vafadar, Z Shabaninejad, A Movahedpour, F Fallahi… - Cell & bioscience, 2020 - Springer
… of 2-month flavonoid quercetin (500 mg) supplement was examined in healthy amateur … , and the RA patients received 500 mg/day of quercetin [40]. Moreover, quercetin hampers the …
2020321 citationsInfluence 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
… The objective of this study was to investigate the effect of quercetin, vitamin C, and niacin supplements (500 mg quercetin, 125 mg vitamin C, and 5 mg niacin [Q-500]; 1,000 …
201163 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2023-12-14. DSLD Label ID: 299678. 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.
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