





Quercetin is one of the most well-known antioxidant bioflavonoids. A free radical scavenger, quercetin helps support healthy sinus, respiratory, and immune system function.
Isura™:
Non-GMO: Documentation ✔
Mass Spec: Lab Tested ✔
Suggested use
1 capsule per day or as directed by a health professional.
Other ingredients
Vegetarian capsule (carbohydrate gum [cellulose], purified water), microcrystalline cellulose, stearic acid, magnesium stearate (vegetable grade), silicon dioxide.
Contains no artificial colors, preservatives, or sweeteners- no dairy, starch, sugar, wheat, gluten, yeast, soy, corn, egg, fish, shellfish, animal products, salt, tree nuts, or GMOs.
Manufactured by Natural Factors to ensure safety and potency in accordance with Good Manufacturing Practices (GMP) of the FDA and Health Canada.
Supplement facts | ||
Serving Size: 1 Capsule | ||
Amount Per Serving | %Daily Value | |
Quercetin | 500 mg | ** |
**Daily Value not established. |
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