Purina ONE Smartblend Vibrant Maturity 7+ Senior Formula Dog FoodOurPurina ONE Smartblend Vibrant Maturity 7+ Senior Formula Dog Food is inspired by the science in nature, discovering the power of smart ingredients that work together for your senior dog"s whole body health. Featuring real chicken as the first ingredient plus enhanced botanical oils. Purina discovered these enhanced oils provide an efficient fuel source for your senior dog"s brain, helping naturally nourish his mind to help him think more like he did when he was younger. It seems old dogs aren"t the only ones learning new tricks. This smart food also boasts a dual defense antioxidant blend. One that works inside and out. It"s probably not something your dog thinks about, but this SMARTBLEND is working around the clock. It starts with a dual defense antioxidant blend of Vitamins E & A along with minerals zinc and selenium in a 100% complete diet for your adult dog. Together, they make a healthy difference on the inside by supporting your dog"s strong immune system and on the outside by supporting healthy skin and a radiant coat.