When your cat has diabetes, she’s prone to large peaks and valleys in her blood glucose level.  This is a situation that you need to monitor carefully. Steven Carone, who is a Veterinarian with Nestle, Purina Pet Care Company says that in recent years nutritionists have discovered that the right diet can help to regular a diabetic cat’s blood glucose levels. Reducing the amount of carbohydrates and increasing their protein intake will help to manage diabetes.  Reducing the amount of carbohydrates can help to blunt the cats glucose curve and can have a positive effect on a cat’s long term health. Some cats actually go off insulin when they are put on a high protein, carb. restrictive kind of diet. Even cats that still need insulin, often require less. Always check the carb and protein levels of your cats food and cat treats.