Royal Canin Veterinary Diets Urinary SO Ageing 7+ in Loaf Wet Dog Food is a nutritionally complete diet that\'s been formulated to dissolve urinary stones in senior dogs as well as helping to support dogs\' vitality and cognitive health.Key Features & Benefits Effective struvite stone dissolution & specifically formulated for up to 80% of all urinary stones Supports dogs vitality and cognition with an exclusive blend of nutrients & antioxidants Supports kidney health.IngredientsMeat and animal derivatives, derivatives of vegetable origin, cereals, oils and fats, minerals, various sugars, vegetables.Analytical ConstituentsCrude ash: 2%. Crude fibre: 1.7%. Crude oil fats: 5.9%. Moisture: 77.5%. Protein: 8.7%.AnalysisVitamin D3: 210 IU, E1 (Iron): 4 mg, E2 (Iodine): 0.2 mg, E4 (Copper): 1.5 mg, E5 (Manganese): 1.3 mg, E6 (Zinc): 13 mg, Urine acidifying substances: calcium sulfate: 0.28%.