irritable bowel syndrome (IBS) is controversial. Aims This study was aimed to evaluate the
effects of Saccharomyces boulardii on quality of life (QOL) and symptoms in patients with
diarrhea-predominant IBS or mixed-type IBS. Methods Sixty-seven patients with IBS were
randomized either to receive S. boulardii at 2× 10 11 live cells as a daily dose (n= 34), or
placebo (n= 33) for 4 weeks. IBS-QOL was assessed at the beginning and end of the …