Royal Canin Large Aging 8 dry dog food (formerly Maxi Aging 8 ) is tailored to support your big senior dogs vitality. An exclusive complex of antioxidants supports cellular health to help reduce the signs of aging. Precise nutrients keep large bones and joints healthy and strong to help your dog stay active. And high-quality proteins and a balance of fibers help your dog digest food easily for digestive health. Plus, this highly palatable kibble is rehydratable: Mix in warm water for an easy-to-chew meal your dog will love to eat. Add some variety to their bowl with Royal Canin Mature 8 wet dog food.