Jarrow formulas yum-yum Dophilus provides 4 strains of potent beneficial bacteria in a yummy chewable tablet. Beneficial intestinal flora can be depleted by a diet that is low in fiber, high in meat and sugar, by medication taken for illness and infections, by travel and by stress, etc. The result is symbiosis (i.e., The disruption of the normal intestinal microflora), which can negatively affect digestion and well being. The friendly bacteria in yum-yum Dophilus help maintain a balanced intestinal microflora, support immune function and promote health. Xylitol is used to enhance the taste and support dental health. Sugar-Free. No artificial sweetener, flavor or color. Each tablet is individually blister packed for enhanced stability and convenience.