Swanson ® Saccharomyces Boulardii is a food supplement designed to supplement the daily diet of adults. The formula contains the Saccharomyces boulardii mushroom strain enriched with added manno-oligosaccharides (MOS). What distinguishes Swanson ® Saccharomyces Boulardii capsules? 5 billion units of probiotic strain per daily dose. Enriched with prebiotics. Vcaps vegetarian packaging. The Saccharomyces boulardii strain is a single-celled fungal species first isolated from lychee fruit by the French scientist Henri Boulard in the early 20th century. This yeast is very often used in probiotic preparations recommended as a food supplement. Importantly, they are a non-pathogenic yeast, widely researched for their health-promoting properties. Manno-oligosaccharides ( MOS ) are a functional additive extracted from a specially selected strain of Saccharomyces yeast. Each capsule of the Swanson® brand formula contains 80 mg of MOS. Take 1 capsule of Saccharomyces Boulardi from the American brand Swanson ® every day and enrich your diet with a valuable strain enclosed in vegetable capsules that do not require refrigeration. A pack of 30 will provide a months supply.