Saccharomyces Boulardii+MOS features the potent probiotic yeast S. boulardii, which is designed to survive stomach acidity and deliver its benefits to the gut.* This strain supports and maintains healthy intestinal flora.* Plus, it helps restore the natural bacteria balance when disruptions occur, like from traveling or medicating.* Also, MOS (MannanOligoSaccharides) from S. cerevisiae cell walls can inhibit bacterial attachment and reduce their growth.*