Nulo Frontrunner Ancient Grain Beef, Barley & Lamb Adult Dry Dog Food is packed with wholesome flavor from bite-sized beef and barely. Made from a careful selection of animal-based proteins – including real deboned beef and lamb – low-glycemic grains and a balanced amount of omega-3 and omega-6 fatty acids, this food does a body good by promoting lean muscles and an elegant coat. Perfect for adult dogs of all breeds, this high-meat kibble also includes taurine for heart health and probiotics to support your furry friend’s digestive and immune systems.