Your daily supplement with 5 billion live cultures, such as L. acidophilus Rosell-52, and Fructooligosaccharides. For those aged 4 years+.DirectionsTake one capsule daily or as professionally directed. Take with food, preferably with breakfast. For best results take daily. OptiBac may be used on an ongoing basis.For those aged 4 years+.IngredientsPotato starch; Live cultures: (Lactobacillus rhamnosus Rosell-11, Lactobacillus acidophilus/helveticus Rosell-52, Bifidobacterium longum Rosell-175, Bifidobacterium breve Rosell-70, Bifidobacterium bifidum Rosell-71, Lactococcus lactis Rosell-1058); Fructooligosaccharides (FOS 88mg); vegetarian capsule: hydroxypropyl methylcellulose; anti-caking agent: vegetable magnesium stearate; antioxidant: ascorbic acidAllergen InformationVegetarian,Vegan,Hypoallergenic,Additives,Egg Free,Lectins Free,Wheat Free,Nut Free,Yeast Free,Preservative Free,Sweet Free,Sugar Free,Artificial Flavours Free,Paraben Free,Alcohol Free,GM Free,No Added SugarSweeteners and AdditivesVegetable magnesium stearate, ascorbic acid, potato starch