Iams Healthy Naturals Weight Control has 16% less fat* to help return your dog to a healthier weight. And, like all Iams Healthy Naturals, it takes the best of nature to provide unsurpassed nutrition with 9 key ingredients: high-quality protein from chicken and egg to help build and maintain strong muscles, carrots for healthy vision, vitamin E and antioxidants, including those from tomatoes and peas to promote a strong immune system, spinach and essential vitamins and minerals for a strong and healthy heart, natural fiber from apples and beets for a healthy digestive system, fish oil and flaxseed, rich in Omega-3 fatty acids, for a healthy skin and shiny coat, wholesome grains to provide energy and vitality, and natural calcium for strong teeth and bones. It contains choice natural ingredients to nourish each of your dog's key systems as well as natural PreBiotics to support your dog's defenses. And as nature intended, it has no added artificial colors, flavors, preservatives, or fillers.