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Advanced NutritionAdvanced Zinc Supplement General Health Dietary Supplement Kosher Parve Non-GMO Gluten Free Dairy Free Soy Free Vegetarian Friendly GMP Certified Facility Feel Better Everyday™ Advanced Zinc Supplement Zinc is a trace mineral essential for many bodily functions and processes including proper growth and immune function. It is also an antioxidant meaning it helps protect healthy cells from the potentially damaging effects of free radicals.