Quercetin Complex 625 mg®

Other Combinations

Brand: Mason Natural

Tablet or PillOther CombinationsOn Market
Click to view full label

Net Contents

60 Tablet(s)

Serving Size

1 Tablet(s)

Servings Per Container

60

Supplement Form

Tablet or Pill

Bar Code (UPC/SKU)

3 11845 18475 7

Product Version

1847-60 Rev. 2

Label Analysis

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

2Active Ingredients

2 distinct active ingredients are disclosed in Supplement Facts.

100%Amount Transparency

Label includes a proprietary blend, so some individual amounts are not itemized.

1% Daily Value Coverage

1 ingredients report an established %DV per serving.

2Dietary Attributes

Label states: Vegetarian, 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 Tablet(s) · 1 per day

IngredientAmount Per Serving% Daily Value
Calcium(Tricalcium Phosphate)25 mg2%
Quercetin Complex625 mg
Vitamin C(Ascorbic Acid)50 mg
Quercetin Dihydrate(Dimorphandra mollis)500 mg
Citrus Bioflavonoid
Apple Pectin

Not Present

Other Ingredients

Microcrystalline CelluloseHydroxypropyl CelluloseStearic AcidCroscarmellose SodiumMagnesium StearateSilicon Dioxide

Target Groups

VegetarianAdult (18 - 50 Years)Gluten Free

Label Claims

All OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

1 per day

Suggested/Recommended/Usage/Directions

Directions: Adults - Take one tablet daily, preferably with food, as a dietary supplement.

Warnings & Precautions

Precautions re: Pregnant or Nursing or Prescription Medications

Caution: If you are pregnant, nursing, taking any medications or have any medical condition, consult your physician before use.

Precautions re: All Other

Discontinue use and consult your physician if any adverse reactions occur. Tamper-evident seal: Do not use product if seal appears tampered with.

Precautions re: Children

Keep out of reach of children.

Storage

Storage

Store in a dry place under controlled room temperature: 20 degrees – 25 degrees C (68 degrees – 77 degrees F).

Formulation

Formulation re: Other

Plant based

Formulation re: Other

Respiratory & immune health support

Formulation re: Vegetarian/Vegan

Suitable for vegetarians

Formulation re: Does NOT Contain

Guaranteed no added: Dairy, Egg, Fish, Crustacean Shellfish, Tree Nuts, Peanuts, Wheat, Soy, Sesame, Sugar, Starch, Yeast, Corn, Fragrance, Artificial Colors or Flavors, Preservatives, Animal Products. Sodium Free.

Formulation re: Does NOT Contain

Gluten free Soy free

FDA Statements

FDA Statement of Identity

Dietary Supplement

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.

Other Label Statements

Seals/Symbols

Mason guarantee Laboratory Tested cGMP Certified Good Manufacturing Practice Certified 5 stars

General Statements: All Other Content

N

Brand IP Statement(s) re: (c), (TM), (SM)

Mason naturals est. 1967

Brand IP Statement(s) re: (c), (TM), (SM)

Mason Natural is a registered trademark and does not refer to any product or ingredient claim.

General Statements: All Other Content

Please recycle

Manufacturer & Distributor

Distributor

Mason Vitamins, Inc.

Miami Lakes, FL, 33014

1-888-860-5376

Market Reference

$17.69 – $43.17· 2 listings
  • Mason Natural Plant Based Antioxidant 60 Tablets

    Thrifty White Health Essentials4.5(12)
    $17.69Lowest
  • (3 pack) Mason Natural Plant-Based Quercetin Complex, Respiratory and Immune Support, 60 Tablets

    Walmart - Nutrients Best, a Mason Natural Certified Vendor4.5(12)
    $43.17

Where to Buy Locally

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Research & Studies

  • Insights into the role of copper in neurodegenerative diseases and the therapeutic potential of natural compounds

    G Zhong, X Wang, J Li, Z Xie, Q Wu… - Current …, 2024 - benthamdirect.com

    … of a healthy adult contains approximately 110 mg of copper, of … by copper chelation or supplementation may be a promising … In addition, the Cu2+-quercetin complex exhibited stronger …

    202451 citations
  • Quercetin as an antiviral agent inhibits the Pseudorabies virus in vitro and in vivo

    Y Sun, C Li, Z Li, A Shangguan, J Jiang, W Zeng… - Virus research, 2021 - Elsevier

    … Quercetin is a flavonoid with anti-oxidant, anti-cancer, anti-bacterial and anti-viral activities. This study involved quercetin for studying the anti-PRV function in vitro and in vivo. Quercetin …

    202157 citations
  • Polyphenols and fish oils for improving metabolic health: a revision of the recent evidence for their combined nutraceutical effects

    L Méndez, I Medina - Molecules, 2021 - mdpi.com

    … the double supplementation was the most effective in improving the metabolic health status of … Antioxidant, anti-inflammatory, and anticarcinogenic properties for quercetin and quercetin …

    202162 citations
  • Experimental and clinical studies on the effects of Portulaca oleracea L. and its constituents on respiratory, allergic, and immunologic disorders, a review

    MR Khazdair, S Saadat, MR Aslani… - Phytotherapy …, 2021 - Wiley Online Library

    … The safety effects of quercetin supplementation in patients with COPD were demonstrated … and well-tolerated of quercetin at concentrations of 500, 1,000, or 2,000 mg/day for 1 week (…

    202137 citations
  • Dietary quercetin supplementation is not ergogenic in untrained men

    KJ Cureton, PD Tomporowski… - Journal of Applied …, 2009 - journals.physiology.org

    … dietary supplementation with an antioxidant health drink containing 600 mg/day of quercetin … trial significantly more than supplementation with the cocktail without quercetin (placebo). …

    2009129 citations
  • Herbal and Dietary Supplements for Hypertension Management

    M Driouech, M Kadi, A Ziyyat, H Mekhfi… - Letters in Drug …, 2024 - benthamdirect.com

    … healthy adults who drank nitrate-rich BRJ supplement (150ml… with ethanol extract of quercetin onion skin (54 mg) once a day… Ca /Vit D (vitamin D) supplement (625 mg/200 IU) had been …

    20241 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2025-08-22. DSLD Label ID: 336423. 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.