Jarrow Formulas' Jarro-Dophilus Kids provides 4 clinically documented strains of beneficial bacteria in a yummy chewable tablet. Beneficial intestinal flora can be negatively affected or reduced by a diet that is low in fiber. high in animal protein. the use of medications. travel and stress. etc. The result is disruption of the intestinal microflora. which can negatively affect gastrointestinal function and well being. The friendly bacteria in Jarro-Dophilus Kids help maintain a balanced intestinal microflora. support immune function and promote health.