Lamberts Saccharomyces Cerevisiae Boulardii provides a full 6 billion organisms per capsule. This probiotic yeast has been shown to maintain and restore the flora in the large and small intestine, and it is now widely recommended by practitioners, especially for the management of gut health. Lamberts Saccharomyces Cerevisiae Boulardii is a high strength one a day product that is suitable for vegetarians. These small, easy to swallow, capsules are manufactured in the UK to pharmaceutical standards and since our product is room temperature stable, there is no need to store it in refrigerated conditions.