Large breed dogs deserve a great-tasting formula that's tailored to their specific nutritional needs. That's why IAMS PROACTIVE HEALTH Adult Large Breed Dry Dog Food is formulated with naturally sourced glucosamine to support healthy joints. Made with hearty, real meat proteins, such as chicken as the first ingredient, it also helps maintain lean muscles. Every bowl of our wholesome dog food contains 100% complete and balanced nutrition for adult dog maintenance. Plus, IAMS PROACTIVE HEALTH is fortified with essential nutrients and antioxidants to nourish your dog's heart and support a strong immune system. So whether you're looking for premium nutrition designed for large breed dogs or simply want to feed your dog kibble they'll enjoy, IAMS PROACTIVE HEALTH Adult Large Breed Dry Dog Food offers benefits to satisfy you and your dog.