Probiotic Supplement. MannanOligoSaccharides. Non-dairy. Room temperature stable. Provides enhanced support to the intestinal tract. 5 billion per capsule. Travel friendly blister cards. Saccharomyces Boulardii + MOS is a probiotic yeast that survives stomach acid and colonizes the intestinal tract. It promotes the health of the intestinal tract, helps protect its beneficial microbiota, and enhances immune function. MOS (MannanOligoSaccharide) is an oligosaccharide from the cell walls of S. cerevisiae that can prevent bacteria from adhering to the epithelial cells and reduce their proliferation. No wheat, no gluten, no soybeans, no dairy, no egg, no fish/shellfish, no peanuts/tree nuts. Vegan. (These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.)