Support your large dog's senior years with Purina Pro Plan AdvantEDGE Senior Support Plus Large Breed Shredded Blend Chicken and Rice Formula Dry Dog Food. This specialized dry dog food senior formula offers 3-in-1 Senior Support and delivers a delicious taste and a variety of textures to keep your senior dog engaged and enjoying this high protein chicken and rice dog food. The large dog food features real chicken as the number 1 ingredient and delivers a highly digestible formula with probiotics to support digestive health. Backed by more than a decade of research from a brand trusted by veterinarians, this dog food senior formula provides specific nutrition that supports cognition, provides immune support, and supports mobility for senior dogs in a formula that supports their health. Help your large breed dog live out their golden years with the right support so they can be happy and feeling their best with Purina Pro Plan AdvantEDGE Senior Support Plus Large Breed Shredded Blend Chicken and Rice Formula senior dry dog food.