Purina ONE Adult is specifically formulated to meet the complete nutritional needs of Adult cats (aged 1-7 years) who need a complete and balanced diet to help stay in the best of health. PURINA ONE® BIFENSIS® is a unique nutritional formula with beneficial functional bacteria scientifically proven to help support your cat\'s natural defences from the inside out, so you can enjoy her visibly great condition knowing she\'s great on the inside too. Purina ONE with BIFENSIS® formula helps support your cat\'s healthy immune system today and tomorrow. PURINA ONE® BIFENSIS® is a unique nutritional formula with beneficial functional bacteria scientifically proven to help support your cat\'s natural defences from the inside out. Developed by PURINA vets and nutritionists, PURINA ONE® BIFENSIS® contains, along with the beneficial functional bacteria, all the key nutrients your cat needs, including Omega 6 fatty acids. Its dual defence formula works in parallel on the inside, by helping to support your cat\'s natural antibody production, and on the outside by maintaining healthy skin and coat. Available in a wide range of tasty recipes with high quality ingredients, such as salmon as the number one ingredient, PURINA ONE® BIFENSIS® helps support your cat\'s natural defences today and tomorrow. Tartar build-up reduction by up to 40%* *Purina Research