Ultra potent dog & cat probiotic: From the vet-formulated brand comes a powerful multi-strain probiotic for dogs and cats with 10x the CFU as leading brands to provide unmatched support for your pet’s overall health | Broad-spectrum support: Boasting 7.5 billion CFU from 8 different strains of beneficial bacteria and prebiotics from FOS, this versatile cat and dog probiotic promotes digestion and regularity, gut balance, immune function, allergy management and more | Dual-action pre and probiotics for digestive health: Each capsule combines probiotics and prebiotics to enhance each other’s effectiveness and stability, maximizing gut health for the long term to keep your pet happy and healthy | Safe, high-quality ingredients: Our dog and cat supplements are certified by the National Animal Supplement Council (NASC), routinely undergo third-party testing and contain no hidden ingredients, artificial flavors or synthetic colors | Veterinarian-formulated and approved: Formulated with the expertise of scientists and veterinarians, and trusted by over 15,000 veterinary clinics in the U.S., VetriScience only makes supplements that vets feel confident giving to their own pets