Dry dog food that helps support muscle mass maintenance during weight loss Purina Pro Plan senior dog food delivering support for joint health and mobility (glucosamine and EPA for joint health and mobility) Healthy weight dog food has fifteen percent less fat than Pro Plan Complete Essentials Shredded Blend Chicken and Rice Formula Natural prebiotic fiber nourishes specific intestinal bacteria to offer your dog digestive support Dog kibble with Omega-6 fatty acids and vitamin A to nourish skin and coat health