Sambucol Immuno Forte Liquid preserves and maximises the naturally occurring health benefits of the elderberry, with added Antivirin, Zinc and Vitamin C. Sambucol Immuno Forte Liquid contains all of the goodness of original Sambucol with added Antivirin, Zinc and Vitamin C. Sambucol has the equivalent of up to 1000 black elderberries in every bottle, making it the tastiest way to support a healthy lifestyle.