The patented formula contains prebiotics-Mannanoligosaccharide, beneficial yeast Saccharomyces boulardii, and natural selenium, which is found to be effective and safe treatment when one applies MitoBoostTM together with Mitomax® to have the maximum prevention of antibiotic-associated diarrhea. MitoBoostTM is a nutraceutical product for young and aging dogs and cats. When dogs and cats are under stress from environmental changes, they experience digestive disorders and weak immune systems. Dogs and cats fed with MitoBoostTM and Mitomax® will benefit from stress related digestive discomforts.