Sambucol Black Elderberry Extract Immuno Forte contains added Vitamin C and Zinc to increase the potency of the formula. This product may help to support the immune system and prevent or reduce the duration and symptoms of colds and flu’s. It also contains a large amount of antioxidants which play a vital role in combating the damage caused by free radicals. Unlike many other formulas on the market, Sambucol Immuno Forte tastes great and it won’t make you drowsy. This product is suitable for adults, children, vegetarians and vegans.