Natural Factors Quercetin 500 mg for Immune Support, 60 Capsules

Give your immune system powerful support with Quercetin 500 mg Breathe easy with year-round defense for your seasonal allergies;* Supports healthy aging, cellular and heart health Supports sinus and upper respiratory health;* Helps your body better absorb and utilize vital nutrients like Vitamin C Take just 1 capsule 1-2 times each day; Our capsules are plant-based and suitable for vegans and vegetarians Independently tested and third-party certified for GMOs and over 800 contaminants using advanced technology such as mass spectrometry to ensure purity and potency