Quercetin Bioflavonoids®

Non-Nutrient / Non-Botanical

Brand: Allergy Research Group

CapsuleNon-Nutrient/Non-BotanicalOff Market

Product label for Quercetin Bioflavonoids — Click to view full label

Net Contents

100 Vegetarian Capsule(s)

Serving Size

1–2 Capsule(s)

Servings Per Container

Supplement Form

Capsule

Bar Code (UPC/SKU)

7 13947 70050 5

Product Version

Rev. 006

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

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

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Supplement Facts

Serving Size: 1–2 Capsule(s) · 1–3 per day

Ingredient	Amount Per Serving
Lemon Bioflavonoid Complex	800 mg	—
Quercetin	100 mg	—
Hesperidin	100 mg	—
Rutin	100 mg	—

Not Present

Other Ingredients

Hydroxypropyl MethylcelluloseMicrocrystalline CelluloseL-Leucine

Target Groups

Adult (18 - 50 Years)

Label Claims

All Other

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested Use As a dietary supplement, 1 or 2 capsules one to three times daily with meals, or as directed by a healthcare practitioner.

Warnings & Precautions

Precautions re: All Other

California Proposition 65 Warning: This product contains lead, a chemical known to the State of California to cause birth defects or other reproductive harm.

Storage

Keep in a cool, dry place, tightly capped.

Formulation

Formula re: Contains

Provides quercetin extracted from a non-citrus plant source, and other bioflavonoids extracted from lemon.

Formula re: Contains

California Proposition 65 Warning: This product contains lead, a chemical known to the State of California to cause birth defects or other reproductive harm.

FDA Statements

FDA Statement of Identity

Dietary Supplement

Other Label Statements

General Statements: All Other Content

Variations in product color may occur.

General Statements: All Other Content

Hypoallergenic

General: Product/Version Code

Rev. 006

Manufacturer & Distributor

Distributor

Allergy Research Group

Alameda, CA, 94502

510-263-2000

Market Reference

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Where to Buy Locally

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Directions (732) 474-0263
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Directions (908) 766-0993

Research & Studies

Dietary polyphenols—Natural bioactive compounds with potential for preventing and treating some allergic conditions
A Dębińska, B Sozańska - Nutrients, 2023 - mdpi.com
… diet, may be responsible for the health benefits of this dietary pattern, … of allergic airway inflammation as quercetin significantly … oil supplementation decreased the scores of food allergy …
202364 citations
Therapeutic efficacy of flavonoids in allergies: a systematic review of randomized controlled trials
PG de Almeida Brasiel, FV Guimarães… - … Research, 2022 - Wiley Online Library
… same research group that assessed modified isoquercitrin, a … mixture of water-soluble bioflavonoids extracted from the bark … supplement containing Perilla frutescens (80 mg), quercetin (…
202217 citations
Quercetin and its lecithin-based formulation: potential applications for allergic diseases based on a narrative review
M Naso, C Trincianti, MA Tosca, G Ciprandi - Nutrients, 2025 - mdpi.com
… in food supplements to manage patients with allergic diseases. Moreover, this review introduces a new quercetin … and its lecithin-based formulation were evaluated in 12 healthy human …
202516 citations
Quercetin and its anti-allergic immune response
J Mlcek, T Jurikova, S Skrovankova, J Sochor - Molecules, 2016 - mdpi.com
… of quercetin is the main ingredient of many potential anti-allergic drugs, supplements and … Food allergies are a relevant and common health complaint with an increasing prevalence. …
2016672 citations
Effects of repeated oral intake of a quercetin-containing supplement on allergic reaction: a randomized, placebo-controlled, double-blind parallel-group study.
S Yamada, M Shirai, Y Inaba… - … Review for Medical & …, 2022 - europeanreview.org
… healthy adults of both sexes ingested the same test food as that used in the present study, containing quercetin in … significantly, suggesting that quercetin also has an immunomodulating …
202244 citations
Flavonoids for allergic diseases: present evidence and future perspective
T Tanaka - Current pharmaceutical design, 2014 - ingentaconnect.com
… tion of allergen-stimulated human basophils by quercetin [25, … gut health benefits and have some influence on food allergy … mixture of water-soluble bioflavonoids extracted from French …
201454 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2017-09-21. DSLD Label ID: 78403. 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.