Nutritionn Elderberry is a natural supplement that is traditionally used in Herbal Medicine to help relieve symptoms of colds and flus. It comes from the European elder fruit, which is packed with vitamins and minerals like vitamin A, C, B6, and potassium. Elderberries are not commonly found in the produce section of grocery stores. This unique berry is full of great health benefits, and it makes a great everyday supplement. This premium supplement is just elderberry extract in a capsule. A healthy choice for a preventative and proactive diet.