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