DigestionIntestinal FloraImmune Function21st Century Advanced Probiotic synergistically distinct and beneficial probiotic strains and the prebiotic Inulin to support probiotic activity in the intestines. 20 billion live probiotic cultures per serving guaranteed at time of manufacture.Directions: As a dietary supplement, take two (2) capsules daily with any meal for maximum results or as directed by your healthcare provider. Store at room temperature.