Udo’s Choice Infant’s Blend Microbiotics provide an easy-to-consume powdered blend of ‘friendly’ bacteria (probiotic), specifically selected for children under 5 years old, to support the immune system functionality and encourage proper digestion. Microbiotics are the beneficial lacto and bifido bacteria that occur throughout the digestive tract and are essential in replenishing healthy gut flora, which helps to reduce gas, bloating and constipation. Udo’s Choice Infant’s Blend Contains: 6 child-specific bacterial strains designed to reflect healthy childhood microflora 3 billion cells per gram, including: Lactobacillus casei (HA-108): 32%, Lactobacillus rhamnosus (HA-111): 26%, Lactobacillus acidophilus (HA-122): 21%, Bifidobacterium infantis (HA-116): 11%, Bifidobacterium bifidum (HA-13): 5%, Bifidobacterium breve (HA-129): 5%. Suitable for vegetarians. Gluten free.