As a member of our grain free series of dog foods, NutriSource Pure Vita Duck & Green Lentils Entrée Dog Food is formulated to meet AAFCO guidelines for all life stages. 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 choice for pets with allergies. Balanced Omega-3 and Omega-6 fatty acids along with L-Carnitine, taurine, choline chloride and DL Methionine supplementation to promote heart health make NutriSource grain inclusive formulas stand out.