Our Kids Oral Probiotics are designed specifically for little ones! They contain 3 billion CFUs, while our Adult Probiotics pack 6 billion CFUs. Both include important BLIS strains at levels proven to work, so you’re covered on the efficacy front. The kids' version also has added xylitol and zinc to help support their oral health and immunity. As for taste, the kids get a yummy strawberry vanilla flavor, while adults enjoy a refreshing minty spearmint that also helps keep bad breath at bay.