Quercetin 500 mg
This product looks safe
- No ingredients exceed tolerable upper intake levels
- 100% of ingredients have research evidence
What the Evidence Says
AI-generated · Qwen 3.6 · grounded in 1 source · methodologyQuercetin is a flavonoid with moderate evidence supporting its role as an antioxidant and its ability to modulate inflammatory responses. Research suggests it may help stabilize mast cells to reduce the release of histamine. However, overall clinical evidence coverage for this specific formulation remains limited.
AI-generated summary based on research evidence. Not medical advice.
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Directions for Use
Suggested Usage: 1 capsule per day or as directed by a health professional.
Warnings & Precautions
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.
Keep out of reach of children.
Sealed for your protection. Do not use if seal is broken.
Formulation Notes
Quercetin is one of the most well-known antioxidant bioflavonoids. A free radical scavenger, quercetin helps support healthy sinus, respiratory and immune system function.
Manufactured by Natural Factors to ensure safety and potency in accordance with Good Manufacturing Practices (GMP) of the FDA and Health Canada.
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.
Suitable for vegetarians/vegans
Immune Support
Additional Information
Isura Non-GMO - Mass Spec Documentation - Lab Tested
For freshness, store in a cool, dry place.
Product of Canada Recyclable container and label.
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.