Year-Round Immune Health Support: NatureBell Quercetin supports year-round immunity with a high-potency extract sourced from soy-free Sophora japonica* | Ultra-Strength Herbal Ingredient: Each serving delivers a 1,000mg dose of biologically active quercetin in easily absorbed capsules for maximum antioxidant support* | Daily Immune Support Supplement: A natural herbal ingredient that provides important phytonutrients for supporting year-round immune support in both men and women* | Third-Party Tested: These capsules are third-party tested for quality and potency; they are also soy-free, non-GMO, gluten-free, dairy-free, and egg-free | Pure, High-Quality Ingredients: At NatureBell, we use only the finest ingredients to help support you on your health and wellness journey