The present invention relates to one composition bases of use on bacterium and/or yeast and/or other microorganisms, outstanding ground or quantity of the catch in combination, for treating symptom, and/or influence for treatment the irritable bowel syndrome (IBS) or also similar pathology of the device of stomach. In details, bacterium is selected from such as lower class: Bacillus acidi lactici, Bifidobacterium, Bacillus, Propionibacterium, streptococcus, lactococcus, Aerococcus and enterococcus.
