NutriSource® PureVita™ Duck & Kale Entrée Limited Ingredient Dry Dog FoodAs a member of our grain free series of dog foods, NutriSource Pure Vita Duck & Kale Entre is formulated to meet AAFCO guidelines for all life stages. See the size of this kibble. Pure Vita Limited Ingredient grain free formulas deliver compact nutrition and include prebiotics and probiotics to help support a healthy gut. Pure Vita offerings are specially formulated limited ingredient diets that feature a single source animal protein making them a top