Complete pet food for adult cats. 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. 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. Tartar build-up reduction by up to 40%*. High Nutrient Absorption, Healthy urinary tract promoted by balanced minerals, Healthy skin and shiny coat supported by Omega 6 fatty acids and zinc, No added colourants, no added artificial flavours and no added artificial preservatives.