BLUE Basics Grain-Free Duck & Potato Recipe for Adult dogs is a limited-ingredient diet formulated to minimize food sensitivities that some dogs experience while maximizing the nutritional value they receive. Duck is a high-quality protein not typically used in dog food & potatoes are an easily digestible carbohydrate source. A precise blend of veggies, fruit & micronutrients help in the digestive process while an optimal blend of omega 3 & 6 fatty acids help maintain the immune system and support skin & coat health. It contains NO poultry by-product meals, corn, wheat, soy, dairy or eggs.