PURINA ONE Senior 7+ is specifically formulated for cats aged 7 years and over. As cats mature, maintaining their health becomes increasingly important. Special attention needs to be given to natural defences, heart and kidney functions. Purina ONE with Actilea is specially formulated with yeast, prebiotics and antioxidants, helping support natural defences and vital function for your cat's later years. Purina ONE helps your mature cat develop healthy kidneys, bones and supports their natural defences.