EVO Weight Management Dry Dog Food is grain free. By removing ALL grain from the diet, EVO minimizes starch or carbohydrate intake while maximizing the concentration of protein. In fact, EVO provides high-quality protein at a level that is among the highest available anywhere. In addition, EVO also contains a source of viable, naturally occurring microorganisms and has both linoleic acid (an omega-6 fatty acid), and omega-3 fatty acids. With 30% less fat and 20% more protein than EVO Turkey & Chicken Formula, EVO Weight Management dog food is a first-of-its-kind extreme protein dog food containing less than 11% total carbohydrates to help you reach and maintain your dog's optimum body condition.