Quercetin Bioflavonoids®

Other Combinations

Brand: Allergy Research Group

CapsuleOther CombinationsOn Market

Functions

Immune Support

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. 011.1

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.

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 Bioflavonoids	800 mg	—
Quercetin Dihydrate	100 mg	—
Citrus Fruit Extract(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

Warning: Consuming this product can expose you to lead which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov/food

Storage

Keep in a cool, dry place, tightly capped.

Formulation

Formula re: Contains

Quercetin Bioflavonoids provides quercetin extracted from a non-citrus plant source, and other bioflavonoids extracted from lemon, for a classical offering from the bioflavonoid group of nutritional supplements.

Formulation re: Other

Variations in product color may occur.

Formulation re: Other

Hypoallergenic

FDA Statements

FDA Statement of Identity

Dietary Supplement

Manufacturer & Distributor

Distributor

Allergy Research Group

South Salt Lake, UT, 84115

800.545.9960

Market Reference

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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 …
202514 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 2024-03-22. DSLD Label ID: 304274. 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.