Quercetin Complex 625 mg®
Other CombinationsBrand: Mason Natural
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.
2 distinct active ingredients are disclosed in Supplement Facts.
Label includes a proprietary blend, so some individual amounts are not itemized.
1 ingredients report an established %DV per serving.
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
| Ingredient | Amount Per Serving | % Daily Value |
|---|---|---|
| Calcium(Tricalcium Phosphate) | 25 mg | 2% |
| Quercetin Complex | 625 mg | — |
| Vitamin C(Ascorbic Acid) | 50 mg | — |
| Quercetin Dihydrate(Dimorphandra mollis) | 500 mg | — |
| Citrus Bioflavonoid | — | — |
| Apple Pectin | — | — |
Not Present
Other Ingredients
Target Groups
Label Claims
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
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
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.
Performix Nutrition/ Rupert
4.6 (14)Animal feed store
235 West 71 Lane South, Rupert, ID 83350
Nutrition Nation
5.0 (3)Vitamin & supplements store
1358 Overland Ave b, Burley, ID 83318
The Nutrition Center
4.6 (24)Health food store
1326 Oakley Ave, Burley, ID 83318
Big Wave Nutrition
Vitamin & supplements store
1232 Oakley Ave, Burley, ID 83318
Total Supplements
Vitamin & supplements store
86 W 400 S, Burley, ID 83318
GenuineMinerals
Vitamin & supplements store
300 Conant Ave, Burley, ID 83318
GNC
4.0 (43)Vitamin & supplements store
1485 Pole Line Rd E Ste 178, Twin Falls, ID 83301
Stewart Nutrition
4.4 (47)Vitamin & supplements store
657 Blue Lakes Blvd N, Twin Falls, ID 83301
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 citationsQuercetin 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 citationsPolyphenols 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 citationsExperimental 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 citationsDietary 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 citationsHerbal 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.
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