Hill’s Science Plan Adult 5+ Senior Vitality Large Breed Dry Dog Food is ideal for large breed dogs (25 kg or more) who are five years old and older. It’s formulated to fight the main effects of ageing, support brain function and social interaction, and to offer overall energy throughout the day. The tasty chicken recipe is delivered in easily munchable kibble and the highly digestible ingredients give your ageing pup his nutritional needs served up in a delicious meal.