ROYAL CANIN Wet Food for Adult Cats with Moderate Calorie Urinary Diet. Complete dietary food for adult cats. Wet food for adult cats with a moderate calorie urinary diet designed to dissolve struvite stones and reduce their recurrence through its urine acidifying properties and low magnesium levels. Recommendations: It is advised to seek veterinary advice before use. Serve wet food for adult cats with a moderate calorie urinary diet for 5 to 12 weeks to dissolve struvite stones and up to 6 months to reduce the recurrence of struvite stones. Water should be available at all times. Standard composition: Meat and animal derivatives, fish and fish derivatives, cereals, vegetable derivatives, vegetable protein extracts, minerals, oils and fats, various sugars. Additives (per kg): Nutritional additives: Vitamin D3: 170 IU, E1 (Iron): 2 mg, E2 (Iodine): 0.25 mg, E4 (Copper): 2 mg, E5 (Manganese): 0.5 mg, E6 (Zinc): 5 mg. Analytical constituents: Protein: 9.5% - Fat content: 2.7% - Crude ash: 1.7% - Crude fiber: 1.3% - Moisture: 81.5% - Taurine (total): 0.085% - Calcium: 0.22% - Phosphorus: 0.19% - Sodium: 0.26% - Magnesium: 0.01% - Potassium: 0.16% - Chloride: 0.33% - Sulfur: 0.16% - Urine acidifying substances: Calcium sulfate: 0.25% - DL Methionine: 0.03%.