Natural Factors Quercetin 500 mg 60 vegetarian Capsules

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Quercetin is one of the most well-known antioxidant bioflavonoids. As a free radical scavenger, quercetin helps support healthy sinus, respiratory, and immune system function.*

Suggested Use

1 capsule per day or as directed by a health professional.

*Information on this site has not been evaluated by the Food and Drug Administration. Products are not intended to diagnose, treat, cure, or prevent any disease.