Purina ONE Adult is nutritionally tailored for cats aged 1-7 years. The nutrition your cat needs, with tasty high quality ingredients that will delight her.Developed by Purina"s nutritionists and vets, Purina ONE Actilea Formula contains: Prebiotics proven to promote a balanced gut micro flora. Antioxidants for assisting healthy cell function. Yeast, to help support an adequate immune response Its triple action helps support your cat"s natural defences from within. Proven to reduce tartar build-up by up to 40%* *Purina research. The nutrition your cat needs, with tasty high quality ingredients that will delight her. Purina ONE is Available in a wide range of tasty recipes made with high quality ingredients.