Bare & Better Bifidobacterium Probiotic Supplement. Compare VS Align. Value Size - 180 Count. 24/7 Digestive Support. Each capsule contains 4mg of the probiotic bifidobacterium. Bifidobacteria are a group of bacteria called probiotics that normally live in your intestines and stomach. They help your body perform essential functions such as digestion and staving off harmful bacteria. Bifidobacteria are commonly used for diarrhea, constipation, irritable bowel disorder and to prevent cold and flu.