Encourage a flourishing balance of good bacteria in the gut with Ultrabiotic 45. Each capsule delivers 45 billion CFU (colony forming unit- usually probiotics contain 1-10 billion) from a potent blend of 10 different probiotic strains. Ultrabiotic 45 can restore and support the maintenance of healthy intestinal flora, for better digestive function and regular bowel movements. Three of the strains (L. acidophilus, B. animalis ssp. lactis, B. bifidum) are proven to help relieve uncomfortable digestive conditions like gas, pain and irritable stomachs. With 70% of your immune system living in your gut, Ultrabiotic 45 also provides effective nutritional support to strengthen your immunity.