Must be stored cold.
It is this strain that has been most studied for its efficiency in the prevention of antibiotic-associated diarrheas, and as a general supplement for optimum gastrointestinal health.*
Saccharomyces boulardii is most commonly used for treating and preventing diarrhea, including infectious types such as rotaviral diarrhea in children, diarrhea caused by gastrointestinal (GI) take-over (overgrowth) by "bad" bacteria in adults, traveler's diarrhea, and diarrhea associated with tube feedings. It is also used to prevent and treat diarrhea caused by the use of antibiotics.