Purina ONE® Senior 7+ is a nutrition targeted to answer the specific needs of cats aged 7 years and over Having a balanced gut microbiome is essential for the good health of your cat. It has a direct impact on their natural defences. The microbiome is an ecosystem containing trillions of microorganisms that live in the gut and are unique to each cat. The balance of microorganisms is important to make positive effect on your cat's digestive health, natural defences, and overall well-being. Purina ONE® Bifensis® is nutritional formula with a beneficial functional bacteria: Lactobacillus, scientifically proven to help support your cat's natural defences from the inside out and helps support a healthy gut microbiome. Healthy kidneys thanks to vitamins E & C Oral care for gums and teeth provided by essential nutrients and crunchy morsels Scientifically proven to help support your cat's natural defences thanks to lactobacillus-specific functional bacteria Helps improves gut microbiome balance thanks to chicory, a prebiotic Chicken is the #1 ingredient - a good source of protein and amino acids to help build and maintain strong muscles Helps to keep skin and coat in glowing health thanks to omega 3 & 6 fatty acids and essential vitamins and minerals Healthy bones and good mobility promoted by minerals and vitamin D