Designed to be used on a daily basis, as well as during times of stress including traveling, kenneling or training and after antibiotic therapy, de-worming and for digestive disorders. Provides 1 billion CFU’s of probiotics per serving and contains 9 strains of probiotics.. It  includes the soluble fiber benefits of FOS and  is very palatable. It contains a highly stable probiotic species called GanedenBC30TM (Baculus coagulans).  Probiotics are beneficial microorganisms that help control the critical balance in the digestive system. They prevent the growth of undesirable microorganisms. Probiotics  assist in digestion and prevent gas, bloating and bad breath, prevent unwanted opportunistic strains of bacteria from growing to a population where they can cause health challenges,  enhance the function of the immune system, produce B vitamins & enzymes, and promote regularity. FOS are soluble fibers and pre-biotics that support the growth of beneficial microbes in the intestinal tract. Feeding Directions: Give 1 chew daily to dogs up to 40 lbs and 2 chews daily to dogs over 40 lbs, preferably after a meal. Chicken Flavored Bone-Shaped Chew.