Designed for dogs ages 7 and older and up to 50 lb. Iams Active Maturity contains an exclusive antioxidant blend with Vitamin E and Beta-Carotene to help boost the immune response of your older dog to healthy adult levels. Natural sources of Glucosamine promote healthy joints, and easy-to-chew Iams Daily Dental Care reduces tartar buildup by up to 50%. Protein sourced from chicken and egg helps build strong, firm muscles while 7 essential nutrients nourish the heart. A gentle fiber source to support your dog's ability to absorb. Balanced with no fillers or artificial preservatives. 17.5 lb.