Quercetin Bioflavonoids®

Other Combinations

Brand: Allergy Research Group

CapsuleOther CombinationsOff 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. 003

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)No Allergies

Label Claims

All OtherStructure/Function

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.

Storage

Keep in a cool, dry place, tightly capped.

Formulation

Formula re: Contains

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

Formula re: Type

HYPOALLERGENIC

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

General Statements: All Other Content

Bioflavonoids have been shown to support the integrity of most cells, which play a key role in controlling the release of histamine, and they potentially support the health of the vascular system.* Quercetin may also reduce the production of prostaglandins and leukotrienes.*

General Statements: All Other Content

Variations in product color may occur.

General: Product/Version Code

Rev. 003

Manufacturer & Distributor

Distributor

Allergy Research Group

Alameda, CA, 94502

Market Reference

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Where to Buy Locally

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Rock's Discount Vitamins - San Antonio Potranco
5.0 (492)
Vitamin & supplements store
8802 Potranco Rd #104, San Antonio, TX 78251
Directions (210) 647-7577
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Directions (210) 420-7131
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Directions (210) 680-7920
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Directions (210) 647-0723
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Directions (210) 692-9864
Rock's Discount Vitamins - San Antonio Culebra
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Directions (210) 384-4667
GNC
4.0 (60)
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430 TX-1604 Loop #105, San Antonio, TX 78251
Directions (210) 468-2623
Rock's Discount Vitamins - San Antonio Potranco Madison Market
4.7 (124)
Vitamin & supplements store
11219 Potranco Rd #107, San Antonio, TX 78253
Directions (210) 973-7880

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 2013-04-25. DSLD Label ID: 20328. 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.