Jarro-Dophilus Baby contains documented Bifidobacteria strains B. breve M-16V, B. longum BB536, and B. infantis M-63 that have been shown to colonize the infant gut effectively and support a baby?s health.* Bifidobacteria, in particular, are key colonizers of a baby?s colon. B. infantis is the only bacteria capable of using all the unique sugars in breast milk to release the milk?s full benefits aIngredients:Supplement Facts Serving Size: 1/4 Teaspoon (1 g ) Amount Per Serving%DV for InfantsProbiotic Blend Composed of following strains: B.infantis M-63, L rhamnosus R0011, B.breve M-16V, L casei R0215, B.longum BB5363 Billion Viable Cells (Minimum)GOS Complex (Bimuno GOS) (Source of GalactoOligosaccharides)600 mg Minimum 3 billion viable cells at time of consumption, under recommended storage conditions and within best used before date. Daily Value not established.Other Ingredients: Tapioca starch, maltodextrin and vitamin C (antioxidant).