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Advanced Nutrition by Zahler®Advanced Zinc Formula General Health Dietary Supplement ChewableKosher ParveGMP Certified Facility Non-GMO Gluten Free Dairy Free Soy Free Vegetarian Friendly Feel Better Everyday™Zinc is a trace mineral essential for many bodily functions and processes including proper growth and immune function. Also included is a Elderberry which is long known for its immune-boosting and antioxidant properties.