With fibres, proven to carry away twice as much hair from the stomach in just 14 days**Purina researchPurina One Indoor Formula is specially formulated for cats mainly living indoors and can be used to minimize hairball formation.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 turkey as the number one ingredient, Purina One®Bifensis® helps support your cat's natural defences today and tomorrow.For cats living indoors, Visible health for today and tomorrow, Contains chicory, a natural ingredient proven to reduce litter box odour, Lean & healthy body condition thanks to adapted protein/fat ratio, High quality ingredients for good digestion, Healthy urinary tract promoted by balanced minerals, No added colourants, no added artificial flavours and no added artificial preservatives