UltraBiotic 500 is a combination of 14 probiotic strains providing 500 billion CFU per sachet. This high strength probiotic provides support for normal healthy digestive and immune system functions in a convenient one-a-day dose. Probiotics help maintain and restore beneficial gut flora during and after antibiotic use. UltraBiotic 500 can maintain bowel regularity and relieve digestive discomfort and abdominal bloating.Always read the label and follow the directions for use. If symptoms persist, talk to your health professional. Supplements may only be of assistance if dietary intake is inadequate.