1 Plus years. Healthy weight control with l-carnitine. Low dietary magnesium. Immune system health. 35% Less fat than Iams Original. Nourishes a strong, healthy heart. 5 Signs of heath in your cat: Healthy weight control. L-carnitine helps burn fat and build lean muscle to gradually return your cat to a healthier weight. Healthy vitality. Patented carbohydrate system helps provide energy for activity throughout the day. Immune system health. Essential antioxidants help build strong immune system. Healthy teeth. Iams Daily Dental Care helps reduce tartar build-up to keep the whole mouth healthy. Strong heart. Natural source of taurine for healthy heart and eyes. Made in the USA.