Probiotic 3 by AOR is a clinically proven probiotic supplement. Formulated with a blend of 3 bacterial strains: Enterococcus faecium Clostridium butyricum and Bacillus subtilis to support digestion immune health and gut flora balance. The formula uses probiotic strains clinically proven to work well together to promote lactic and butyric acid production to encourage growth of beneficial bacteria while reducing pathogen growth.