When abnormally high glucose levels are present in the bloodstream, the condition is known as diabetes. This chronic condition is caused by either absence or inadequate production of insulin. If proper care is not taken to curb diabetes, it will eventually affect and impair eyes, heart, kidneys, etc. Of the two types of diabetes – Type I and Type II – the latter is less complicated and can be controlled by managing diet and regular exercise. Here is a list of the best superfoods that help in preventing or at least controlling Type II diabetes. You can eat these superfoods even if you are on medications for Type II diabetes.