Lucy Pet Duck and Potato Grain Free Limited Ingredient Diet Formula™ features our advanced P.B.F. Prebiotic Balanced Fiber™ to produce an optimal environment in the digestive tract to lead to an optimal balance in the gut. This Limited Ingredient Diet is made with a single source duck protein and limited carbohydrate sources. Grain-Free, Limited Ingredient Diets can be an excellent choice for dogs with food sensitivities.The number one ingredient is duck meat from France and USA, with absolutely no duck by-products. A blend of potatoes and sweet potatoes made from premium quality whole fresh potatoes from the EU and whole sweet potatoes from the USA. These grain-free carbohydrate sources supply sustained energy. A good source of dietary fiber, vitamins, and minerals. This formula includes a superfood blend of ingredients naturally preserved. No ingredients from China, including vitamins and minerals.