PURINA® PRO PLAN® Medium & Large Adult 7+ Age Defence dry dog food contains all the nutrients your dog needs for good health. It also contains a blend of nutrients scientifically proven to improve brain function in older dogs and help them stay active and alert longer.The formula includes the unique Age Defence nutrient blend, which contains medium triglycerides (MCT fat) from botanical oils. They provide an extra source of energy for the ageing brain, helping to keep your dog alert and playful in their older years.The food also contains nutrients that promote healthy aging of the body, including levels of vitamins C and E that promote your senior dog's natural protective system.Facts about PRO PLAN Medium & Large Adult 7+ Age Defence:Supports cognitive ability with an alternative energy source fractionated from botanical oils, resulting in a more curious and responsive dog.Helps maintain family interaction through improved brain function.Complete oral care thanks to a natural brushing