Essential-Biotic Saccharomyces Boulardii provides 9 billion CFU of a non-colonizing, acid-resistant probiotic yeast to support healthy bowel movements, gastrointestinal balance, and immune function.* Saccharomyces boulardii supports intestinal microbial balance, and secretory IgA and short-chain fatty acid production, and is well tolerated at clinically relevant doses.* It is a transitory microorganism and is eliminated after supplementation is stopped.*