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%.