Beef Lung Contains Essential Nutrients Such As Vitamins (Vitamins B And Vitamin A) And Minerals (like Iron And Zinc), Which Can Contribute To Your Dog’s Overall Health And Well-Being. PROMOTES ORAL HEALTH: Chewing On Beef Lung Treats Can Help Promote Dental Health By Reducing Plaque And Tartar Buildup, Strengthening Jaw Muscles, And Satisfying Your Dog’s Natural Urge To Chew.