Natural Balance Limited Ingredient Dog Dental ChewsNatural Balance dental chews are scientifically formulated to satisfy your dog's natural chewing instinct and to help support healthy teeth and gums. The unique grooves encourage healthy chewing and the removal of plaque and tartar that may cause bad breath. Vitamin C, a key antioxidant nutrient, is added to help support immune function. L.I.T. (Limited Ingredient Treats) are designed with a limited number of protein and carbohydrate sources. Made in the USA.