This product provides a source of beneficial intestinal bacteria and also helps to encourage their growth. All mammals have numerous beneficial bacteria living in their digestive tracts (gut), including dogs, cats and humans. Periodic use of antibiotics, as well as natural aging tends to decrease the amount of beneficial bacteria in your pet’s digestive system. Beneficial bacterium helps to digest food, absorb nutrients, and eliminate toxic substances. Alleviates occasional gas, diarrhea, and intestinal upset.