Zignature dog formulas are based on a low glycemic index diet which is perfect for dogs that may suffer from diabetes. All Zignature formulas are made WITHOUT grains, potatoes, tapioca, chicken, eggs, gluten, corn or soy! All formulas, including the Kangaroo formula are very easily digestible, lower in fat and calories and high in Omega Fatty Acids which will help to provide healthy skin and coat and a great source of immunity support.Pet's Global