Purina ONE Sensitive, with BIFENSIS formula, has been specially formulated with specific ingredients to address the needs of adult cats with sensitive stomachs and finicky taste. Specially formulated with limited sources of proteins, turkey, rice, maize and pea protein concentrate, to help support food tolerance. The high quality ingredients make the formula tasty and also promote optimal digestion and ideal stool consistency. PURINA ONE BIFENSIS is a unique nutritional formula with beneficial functional bacteria scientifically proven to help support your cats natural defences from the inside out.