Contains vitamins C, D, E and Zinc. Various parts of the elderberry tree have been used for culinary, as well as medicinal purposes, for thousands of years. This supplement is gluten free, gelatin free, has no artificial Sweeteners or color added. It is naturally flavored, is high in antioxidants (vitamins C & E), is an excellent source of vitamin D and contains Zinc. Developed by a former school teacher, Airborne products are a specially crafted blend of vitamins, minerals and herbs designed to help support your immune system.