New Sambucol Immuno Forte Effervescent Tablets quickly dissolve in water to make a great tasting natural berry flavoured drink. Immuno Forte is the most popular Sambucol Variant as it combines Black Elderberries, Vitamin C and Zinc to support the immune system. Each Sambucol product contains up to 1000 Black Elderberries. New Sambucol Immuno Forte Effervescent Tablets quickly dissolve in water to make a great tasting natural berry flavoured drink. Immuno Forte is the most popular Sambucol Variant as it combines Black Elderberries, Vitamin C and Zinc to support the immune system. Each Sambucol product contains up to 1000 Black Elderberries.