Thorne Research

Saccharomyces boulardii is a yeast species that can provide substantial support to the health of the gastrointestinal tract.* In clinical studies, Saccharomyces boulardii has been demonstrated to increase the production of secretory IgA, the first-line defense immunoglobin of the gastrointestinal tract.* This beneficial yeast also may be effective for occasional diarrhea.*