Canadian Brand. Royal Canin Adult Instinctive Loaf in Sauce features the optimal balance of proteins, fats and carbohydrates that adult cats prefer. A moderate energy level helps adult cats maintain their ideal weight. Royal Canin's unique Macro Nutrient Profile guarantees exceptional palatability and long-term preference. Royal Canin Adult Instinctive is formulated for adult cats from 1 to 7 years of age.