I may shock you with this one. But the first thing you should do if you have diabetes is take your insulin on schedule. Some cases are more advanced than others. But still - your body needs insulin and if it doesn't produce it on its own, you'll need to take it as prescribed to you.
However, there are ways you can manage your disease. By eating a healthy diet, exercising, and supplementing with certain herbs, you can help your body adapt much better. And, if you have Type II diabetes or pre-diabetes, making diet and lifestyle changes may reverse it. If you have type I, however, the best thing you can do is learn how to keep it in check.
Learn how to treat your diabetes with herbs. There are some herbs that can help normalize blood sugar that are a real help to those with both Type I and Type II diabetes.