The 115 individuals (19%) with S. aureus were randomized to 30 days of the oral probiotic (250 mg of probiotic B. subtilis MB40; n=55) or matching placebo (n=60). Participants had a mean age of 34 ...

They saw that 101 stool samples contained the probiotic Bacillus and, in particular, Bacillus subtilis. Bacillus bacteria are good at surviving in harsher environments, and they can be ingested ...