Real chicken is our no. 1 ingredient. Natural sources of glucosamine help maintain healthy joints. Antioxidant rich nutrition contributes to immune health. Omega fatty acids and vitamin E for healthy skin and coat. Enhanced botanical oils naturally nourish to help sustain a bright mind as a dog ages. Targeted nutrition for mature dogs. Purina ONE Vibrant Maturity 7+ Senior Formula is formulated with enhanced botanical oils that naturally nourish to help sustain a bright mind as a dog ages. Plus, it is designed to promote your senior dog's ideal body condition and healthy energy level while helping maintain lean muscle mass. Purina One starts with real ingredients - including chicken and rice - for a healthy difference in your dog. His good health is reflected in the way he acts, looks and feels - it's in his strong muscles, in his activity level and mobility, in his shiny coat and healthy skin. Six signs of optimal pet health: Strong Immune System: Antioxidant-rich nutrition, including vitamins E and A and selenium, promotes healthy aging. Body condition with strong muscles and a healthy heart: Optimal protein level helps maintain lean muscle mass for strength and mobility. Dental Health: Crunchy kibble helps reduce plaque build-up, whiten teeth and freshen breath. Healthy skin, shiny coat & bright eyes: Promoted by omega-6 fatty acids, including linoleic acid, and vitamins E and A. Digestive Health: Wholesome, high-quality ingredients like real chicken and rice contribute to high digestibility. Bone & Joint Health: Contains natural sources of glucosamine to help maintain healthy joints, and enriched with vitamins and minerals. Contains no added fillers or artificial flavors. At Purina, we're unconditionally devoted to pets. We've dedicated over 75 years to developing high-quality products that satisfy the needs of dogs and cats. Animal feeding tests using Association of American Feed Control Officials (AAFCO) procedures substantiate that Purina ONE Vibrant Maturity 7+ Senior Formula provides complete and balanced nutrition for maintenance of adult dogs.