After your cat has been neutered, a change of diet may be required to ensure that the nutrients it consumes are supporting its somewhat altered energy needs. ROYAL CANIN Sterilised 37 is specially formulated with the nutritional needs of your neutered adult cat in mind in order to support the continuation of good health. After sterilisation, your adult cat's energy requirements will have decreased and your cat will no longer be able to effectively self-adjust its metabolism. That's why it's important to ensure that the new diet you choose helps to support these changes in your cat. ROYAL CANIN Sterilised 37 contains a moderate level of fat when served in adequate daily rations - this helps your cat to maintain an ideal bodyweight after sterilisation. ROYAL CANIN Sterilised 37 food also contains a carefully-considered balance of minerals that help to support and maintain a healthy urinary system for your cat. What's more, ROYAL CANIN Sterilised 37 is enriched with L-Carnitine - which converts fatty acids into energy and has a positive effect on your cat's metabolism. While the increased protein content in this food helps to maintain your cat's healthy muscle mass. To cater to each cat's individual preferences. Composition: Dehydrated poultry proteins, maize, wheat gluten, vegetable fibres, animal fats, hydrolysed animal proteins, rice, wheat, beet pulp, maize gluten, yeasts products, minerals, fish oil, fructo-oligosaccharides, soya oil. Analytical constituents: Protein: 37.0% - Crude fibres: 6.0% - Fat content: 12.0% - Crude ash: 8.5% - L-carnitine: 100 mg/kg.