Pet Naturals Daily Probiotic for dogs is formulated with Ganaden brand probiotics which contains a specialized strain of bacteria to support gut health balance and healthy digestion. Ganaden brand probiotics ensures a stable 100 million Bacillus Coagulans to the gut. When probiotics normalize the digestive environment, it helps keep the G.I. tract running smoothly in times of stress, illness or general mischief. A healthy digestive system also supports the immune system and overall health in pets of all ages.