Saccharomyces boulardii (an S. cerevisiae strain) (5 Billion CFU) 250 mg, MOS Yeast Fraction (Min. 35% Manno-oligosaccharides [MOS]) (S. cerevisiae) 200 mg. Other Ingredients: Tapioca starch, capsule (hydroxypropylmethylcellulose, water), silicon dioxide and ascorbic acid (antioxidant). Allergens No wheat, gluten, soybeans, dairy, egg, fish/shellfish, peanuts/tree nuts or sesame. Directions Adults take 1 capsule once a day with water, or as directed by your qualified healthcare professional. May be taken with food or on an empty stomach. Storage Does not require refrigeration and can be stored at room temperature in a cool, dry place. Avoid storage at temperature above 77°F (25°C). Refrigeration, however, extends shelf life. Country of origin United States