UltraBiotic 45 contains probiotics that support digestive system health and function, relieve abdominal bloating and help maintain beneficial intestinal flora including during antibiotic use. S. thermophilus (CUL 68) aids in the digestion of lactose. UltraBiotic 45 contains L. acidophilus (CUL 21 + CUL 60), B animalis ssp. lactis (CUL 34) and B. bifidum (CUL 20) that are shown to relieve symptoms of medically diagnosed irritable bowel syndrome.