Advance veterinary diets diabetes colitis is a balanced and complete dietetic dry kibble that is adapted to the nutritional needs of dogs suffering from diabetes mellitus colitis or digestive problems associated with the lower intestine such as diarrhoea or constipation this food only contains carbohydrates that have low levels of quickly released sugars the ingredients used have been selected to be easily digested and low in fat which can help overweight dogs to reach and maintain a healthy