Royal Canin Probiotics for Cats Digestive and Immune Health is a delicious and delightful addition to your pet's wellness. Developed by veterinarians, these cat probiotics contain live Saccharomyces boulardii CNCM I-1079 strain clinically proven to boost the beneficial bacteria in the gut as well as the resilience of the digestive microbiota in cats of all ages and sizes. Support your cat's digestive health with these guaranteed live active probiotics for optimal, regular stools. Made with a taste your cat is guaranteed to love, simply sprinkle the contents of one cat probiotic powder packet onto your cat's wet food or dry food to proactively support their gut health. Administer one packet daily or as directed by your veterinarian. Guaranteed live active probiotics in each packet support digestive health and immune health in your pet. Use Royal Canin cat supplements with your cat's food for their overall well-being and their digestive health.