Royal Canin Urinary SO Ageing 7+ Dry Dog Food is a nutritionally complete dry food 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 healthIngredientsRice, maize flour, dehydrated poultry protein, animal fats, wheat flour, minerals, hydrolysed animal proteins, maize gluten, cellulose powder, wheat gluten**, egg powder, fish oil, soya oil, dried tomato pulp (source of lycopene), fructo-oligo-saccharides, hydrolysed crustaceans (source of glucosamine), marigold extract (source of lutein), hydrolysed cartilage (source of chondroitin). Protein sources: dehydrated poultry protein, hydrolysed animal proteins, maize gluten, wheat gluten, egg powder. **L.I.P.: protein selected for its very high digestibilityAnalytical ConstituentsCrude ash: 7.1%. Crude fibre: 2.4%. Crude oil fats: 17%. Moisture: %. Protein: 20%.AnalysisVitamin A: 15500 IU, Vitamin D3: 1000 IU, E1 (Iron): 60 mg, E2 (Iodine): 5.3 mg, E4 (Copper): 14 mg, E5 (Manganese): 67 mg, E6 (Zinc): 145 mg, E8 (Selenium): 0.11 mg, Urine acidifying substances: calcium sulphate (1.4%). Technological additive: sodium bisulphate (urine acidifying substance): 5 g - Preservatives - Antioxidants