Biocare immune intensive 7 sachet a potent complex of elderberry sage and beta glucans with vitamin c vitamin d and zinc which support a healthy immune system in a convenient and pleasant tasting powder that can be mixed with liquids for flexibility zinc supports the integrity of the respiratory tract and contributes to a normal function of the immune system vitamin c contributes to the normal function of the immune system and the integrity of mucous membranes it also protects cells from ox