Net Contents
60 Capsule(s)
Serving Size
1 Capsule(s)
Servings Per Container
Not specified
Supplement Form
Capsule
Bar Code (UPC/SKU)
0 68958 01386 2
Product Version
R4
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
4 distinct active ingredients are disclosed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
Label states: Non-GMO, 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
Contains
- Egg
- Fish
- Shellfish
- Tree Nuts
- Wheat
- Soy
- Gluten
Free From
- Milk
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 Capsule(s) · 1–3 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| Quercetin Bioflavonoids extract | 235 mg | — |
| Japanese Pagoda | 4.7 Gram(s) | — |
| Citrus Bioflavonoids extract(Citrus Fruits) | 235 mg | — |
| Bromelain(Pineapple) | 45 mg | — |
| Rutin extract | 45 mg | — |
| Japanese Pagoda | 900 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Suggested Usage: 1 capsule 1-3 times per day or as directed by a health professional.
Warnings & Precautions
Precautions re: Pregnant or Nursing or Prescription Medications
Cautions: As with any supplement, consult your health professional before use if you are pregnant, breastfeeding or trying to conceive, or if you are taking medication, have a medical condition or anticipate a surgery.
Precautions re: Children
Keep out of the reach of children.
Precautions re: All Other
Sealed for your protection. Do not use if seal is broken.
Storage
Storage
For freshness, store in a cool, dry place.
Formulation
Formulation re: Does NOT Contain
Non-GMO
Formulation re: Does NOT Contain
Contains no artificial colors, preservatives or sweeteners; no dairy, sugar, wheat, gluten, yeast, soy, corn, egg, fish, shellfish, salt, tree nuts, or GMOs.
Formula re: Contains
Quercetin capsules are enhanced with citrus bioflavonoids, bromelain and rutin.
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
Brand IP Statement(s) re: (c), (TM), (SM)
Isura
General Statements: All Other Content
Mass spec Documentation Lab tested
General Statements: All Other Content
Manufactured by Natural Factors to ensure safety and potency in accordance with Good Manufacturing Practices (GMP) of the FDA and Health Canada.
General Statements: All Other Content
Product of Canada Recyclable container and label.
Seals/Symbols
Purity & potency guaranteed
General Statements: All Other Content
Bioflavonoid complex
General Statements: All Other Content
Healthy immune support
General: Product/Version Code
R4
General Statements: All Other Content
Quercetin, a popular bioflavonoid, is essential to optimize the body's use of vitamin C. Bioflavonoids are brightly-colored substances that are found in fruit and vegetables, typically as companions to vitamin C. Bioflavonoids are essential for proper absorption of vitamin C and have been shown to have antioxidant properties, increase capillary strength and keep collagen healthy.
Manufacturer & Distributor
Manufacturer
Natural Factors Canada
Distributor
Natural Factors
14224 167th Avenue SE, Monroe, WA, 98272
Where to Buy Locally
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Showing representative supplement & health retailers — search above for stores in your area.
The Vitamin Shoppe
4.3 (166)Vitamin & supplements store
498 Lancaster Dr NE, Salem, OR 97301
Personalized Nutrients
4.0 (6)Vitamin & supplements store
898 N Pine St, Sisters, OR 97759
Research & Studies
Dietary flavonoid quercetin and associated health benefits—an overview
AT Jan, MR Kamli, I Murtaza, JB Singh… - Food Reviews …, 2010 - Taylor & Francis
… impact of quercetin on human health, it is essential to know the nature of quercetin, its dietary origin, amount present in different diets, their bioavailability and other factors controlling …
2010204 citationsRecent advances in potential health benefits of quercetin
F Aghababaei, M Hadidi - Pharmaceuticals, 2023 - mdpi.com
… quercetin-rich foods into the diet or taking quercetin supplements may be beneficial for maintaining good health … As research progresses, the future perspectives of quercetin appear …
2023794 citationsFactors modulating bioavailability of quercetin-related flavonoids and the consequences of their vascular function
J Terao - Biochemical pharmacology, 2017 - Elsevier
… and vascular function of quercetin as a representative of … quercetin-rich onion improves vascular health. Onion may be superior to quercetin supplement from the viewpoint of quercetin …
2017191 citationsHealth benefits of quercetin in age-related diseases
PK Maurya - Molecules, 2022 - mdpi.com
… The articles selected was mainly focused on quercetin and its health benefits. The present review highlights the main functions of a flavonoid, quercetin. Quercetin is among the widely …
2022504 citationsHealth benefits of quercetin
R Kumar, S Vijayalakshmi… - Defence Life Science …, 2017 - publicationsdrdo.in
… The two weeks supplementation of quercetin in healthy subjects (150 mg/day) was reported to have minimal influence on the plasma, its antioxidant capacity, oxidised LDL, or alpha- or …
2017125 citationsEffects of the dietary flavonoid quercetin upon performance and health
JM Davis, EA Murphy… - Current sports medicine …, 2009 - journals.lww.com
… regarding quercetin is based … supplement further. This article will examine the recent scientific literature concerning the role of quercetin in mental and physical performance and health. …
2009311 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2017-06-23. DSLD Label ID: 75011. 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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