Quercetin 500 mg for Immune Support, 60 Tablets

Natural Factors' Quercetin 500 mg is a powerful antioxidant that works to neutralize free radicals and reduce oxidative stress, providing fast-acting defense for your sinus and upper respiratory system. This completely plant-based and sustainably sourced supplement supports your seasonal inflammatory response, as well as your cardiovascular, respiratory, and overall health.*

Quercetin is known for its ability to support healthy sinus, respiratory, and immune system function. It also helps build and maintain healthy bones, cartilage, teeth, and gums, while supporting the body's natural inflammatory response. Just take 1 capsule per day for these key benefits.

In addition to Quercetin 500 mg, Natural Factors offers other high-quality supplements to further support your health. Quercetin with Zinc and Copper features Quercetin LipoMicel Matrix, 250 mg of Vitamin C, and 500 mg of Curcumin Double Strength Theracurmin. This combination helps your body better absorb and utilize vital nutrients.*

All Natural Factors supplements are independently tested and third-party certified for GMOs and over 800 contaminants, using advanced technology such as mass spectrometry to ensure purity and potency. Their products are also vegan, vegetarian, gluten-free, and non-GMO, made without artificial colors, flavors, or preservatives.

These statements have not been evaluated by the Food and Drug Administration. Natural Factors' supplements are not intended to diagnose, treat, cure, or prevent any disease.

Customers rate Natural Factors' Quercetin 500 mg 4.7 out of 5 stars based on 48 reviews, their Quercetin with Zinc and Copper 4.7 out of 5 stars based on 539 reviews, and their Curcumin Double Strength Theracurmin 4.7 out of 5 stars based on 4,002 reviews, and 4.7 out of 5 stars based on 1,307 reviews.

Breathe easy with year-round defense for your seasonal allergies, support your healthy aging, cellular and heart health, and promote a healthy inflammatory response, all with Natural Factors' high-quality supplements.*

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

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