Purina Dentalife for large dogs (25kg - 40kg) helps you provide daily dental care for your canine. Scientifically proven to reduce tartar and help reduce tartar buildup, Dentalife has a unique porous yet chewy texture filled with thousands of air tiny pockets whilst the 8 ridges of Dentalife help clean your dog\'s teeth right down to the gums and even to the hard to reach teeth.IngredientsCereals (60% extruded corn flour, 5% wheat flour), glycerol, minerals, yeasts, oils and fats, meat and animal derivatives (1.1%*).*equivalent to 4% rehydrated meat and animal derivatives (4% chicken) .Nutritional AdditivesIU/kg: Vitamin A: 8500, Vitamin D3: 570, Vitamin E: 60mg/kg: Calcium iodate anhydrous: 2.2; Manganous sulphate monohydrate: 12.5; Zinc sulphate monohydrate: 280; Sodium selenite: 0.31 Antioxidants.Analytical ConstituentsProtein 7%, Crude Fibres 0.7%, Crude Oils and Fats 2.5%, Crude Ash 4.5%, Moisture 14%.