Show your pupper the power of protein with Side By Side Neutral Beef Lung Treats. These freeze-dried, single-protein dog treats are crafted as tasty, low-calorie training tools rooted in Eastern Food Therapy principles and all natural, whole food ingredients. 100% beef lung—rich in vitamins, minerals, nutrients and high-quality protein—is gently cooked without any antibiotics, hormones, additives, artificial flavors, colors or extracts. These crunchy, premium dog treats are designed to support heart health so your furry buddy can keep living his best life for a long time to come.