Sambucol® is a great tasting food supplement packed with Black Elderberries. The Black elderberry contains naturally occurring flavonoids. Sambucol® Immuno Forte also contains Vitamin C and Zinc, which are well known for their ability to support the immune system. Sambucol® is made from Black Elderberries which have twice the natural antioxidant capacity of blueberries and more than 50% the overall antioxidant capability of cranberries. Antioxidants strengthen the immune system by helping neutralise the harmful effect of free radicals.