Designed for those seeking comprehensive immune support, Garden of Life Dr. Formulated Quercetin Immune is a powerhouse daily vitamin made with clinically studied ingredients, including 500mg of quercetin from the Sophora japonica tree in Brazil, 90mg of vitamin C from organic rose hips and acerola cherry, 11mg of chelated zinc bound to quercetin for enhanced bioavailability, and 2,400 IU of plant-based vitamin D3. This formula supports immune system health and skin health with powerful antioxidant benefits.* Garden of Life Quercetin Immune is Phytosure Certified, bound to organic tapioca fiber for enhanced absorption, and features no filler ingredients.* The formula is Non-GMO, NSF Certified Gluten-Free, and includes 500 million CFU of Bacillus subtilis DE111 probiotic for immune and digestive support.* Adults take 1 tablet daily for immune support, vitamin C, and overall wellness.* *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.