Quercetin-Cnone

Other Combinations

Brand: Cardiovascular Research

CapsuleOther CombinationsOn Market

Functions

Immune Support

Product label for Quercetin-C — Click to view full label

Net Contents

90 Capsule(s)

Serving Size

1–2 Capsule(s)

Servings Per Container

Supplement Form

Capsule

Bar Code (UPC/SKU)

7 52830 68067 8

Product Version

Not Present

Label Analysis

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

4Active Ingredients

4 distinct active ingredients are disclosed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

1% Daily Value Coverage

1 ingredients report a %DV; 1 meet or exceed 100% DV.

1Dietary Attributes

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

Milk
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: 1–2 Capsule(s) · 2 per day

Ingredient	Amount Per Serving	% Daily Value
Quercitin	100 mg	—
Rutin	250 mg	—
Vitamin C(Ascorbic Acid)	100 mg	110%
Phosphatidylcholine	250 mcg	—

Percent Daily Values are based on a 2,000 calorie diet.

Other Ingredients

Microcrystalline CelluloseGelatinMagnesium StearateSilicon Dioxide

Target Groups

Adult (18 - 50 Years)Gluten Free

Label Claims

NutrientAll OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Directions Take one or two capsules twice daily, or as directed by a physician.

Formulation

Formula re: Contains

QUERCETIN-C is a scientifically designed supplement which contains Quercitin in conjunction with Rutin and Vitamin C. Phosphatidylcholine is used as a liposomal base for maximal absorption.

Formulation re: Other

Liposome-Enhanced

Formulation re: Does NOT Contain

Gluten free, casein free

FDA Statements

FDA Statement of Identity

A 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

General Statements: All Other Content

Ecological Formulas

Manufacturer & Distributor

Distributor

CARDIOVASCULAR RESEARCH LTD.

1061-B SHARY CIRCLE, CONCORD, CA, 94518

Market Reference

$7.50 – $274.99· 40 listings

Cardiovascular Research Quercetin C
TheNatural.com
$10.16
Research Labs Antioxidant 240 Caps
Walmart - Research Labs LLC4.6(64)
$17.99
Quercetin-C 90 caps
Professional Supplement Center4.6(18)
$21.99
The Vitamin Shoppe Quercetin + C
The Vitamin Shoppe4.7(49)
$24.99
Life Extension Vitamin C and Bio-Quercetin Phytosome
Life Extension4.8(3100)
$7.50Lowest
Nature's Bounty Antioxidant Capsules with Ester-C
Walmart4.8(9)
$19.77
Quercetin Plus Vitamin C Formula 480
EarthTurns.com
$25.00
Nature's Nutrition Antioxidant Dihydrate 1000mg Per Serving
Target
$24.52

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.

The Vitamin Shoppe
4.6 (125)
Vitamin & supplements store
7345 Eastchase Pkwy, Montgomery, AL 36117
Directions (334) 279-4061
GNC
4.4 (36)
Vitamin & supplements store
7966 Vaughn Rd, Montgomery, AL 36116
Directions (334) 213-2462
Health Wise Foods
4.4 (73)
Vitamin & supplements store
5147 Atlanta Hwy, Montgomery, AL 36109
Directions (334) 277-9925
Natural Healing by Vitamins Plus
4.6 (41)
Vitamin & supplements store
407 Coliseum Blvd, Montgomery, AL 36109
Directions (334) 356-8195
Naturally Organic You Fulfillment Warehouse
4.7 (13)
Vitamin & supplements store
8449 Crossland Loop Suite 126, Montgomery, AL 36117
Directions (334) 544-6599
GNC
3.7 (7)
Vitamin & supplements store
973 Ann St, Montgomery, AL 36107
Directions (334) 386-7067
Maximum Results Nutrition
5.0 (1)
Vitamin & supplements store
7750 Atlanta Hwy, Montgomery, AL 36117
Directions (850) 382-6011
Your CBD Store | SUNMED - Montgomery, AL
5.0 (259)
Vitamin & supplements store
8852 Minnie Brown Rd, Montgomery, AL 36117
Directions (334) 593-0818

Research & Studies

… High-Dose Vitamin C Supplement Enriched with a Low Dose of Bioflavonoids; In Vitro Assessment and In Vivo Evaluation Through a Clinical Study in Healthy …
V Chrysikopoulou, A Rampaouni, E Koutsia… - Nutrients, 2025 - mdpi.com
… in several dietary supplements due to its proposed health-… synergistic antioxidant and cardiovascular benefits. However, the … This study aimed to evaluate the antioxidant potential and …
202512 citations
Therapeutic potential of quercetin as a cardiovascular agent
RV Patel, BM Mistry, SK Shinde, R Syed… - European journal of …, 2018 - Elsevier
… review here the recent detailed in vivo studies. Quercetin and its derivatives lead to … cardiac diseases. Several evidence-based studies suggest mechanisms to observe cardiovascular …
2018612 citations
The pharmacological activity, biochemical properties, and pharmacokinetics of the major natural polyphenolic flavonoid: quercetin
GES Batiha, AM Beshbishy, M Ikram, ZS Mulla… - Foods, 2020 - mdpi.com
… 200 mg and demonstrated that quercetin C max and T max were … the heart from secondary cardiac dysfunction due to oxidative … As a supplementary food, 2 weeks of quercetin 50 mg …
2020872 citations
Quercetin reduces vascular senescence and inflammation in symptomatic male but not female coronary artery disease patients
P Mury, O Dagher, A Fortier, A Diaz, Y Lamarche… - Aging …, 2025 - Wiley Online Library
… Recent studies suggest that vascular … in coronary artery disease (CAD) patients remains unknown. In a randomized, double‐blind trial, 97 patients (78 men) undergoing coronary artery …
202525 citations
Endogenous and exogenous mediators of quercetin bioavailability
Y Guo, RS Bruno - The Journal of nutritional biochemistry, 2015 - Elsevier
… studies suggest that higher dietary intakes of quercetin decease cardiovascular disease (CVD) risk… of its health benefits. Bioavailability of dietary constituents is a critical mediator of their …
2015311 citations
The dietary flavonoid quercetin activates BKCa currents in coronary arteries via production of H2O2. Role in vasodilatation
A Cogolludo, G Frazziano, AM Briones… - Cardiovascular …, 2007 - academic.oup.com
… Therefore, in the present study we investigated whether quercetin activates BKCa currents in rat coronary artery smooth muscle cells (CASMC). We describe that quercetin activates …
2007152 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2023-03-22. DSLD Label ID: 283460. 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.