Have you tried to control your diabetes with a ketogenic diet? Dr. Bernstein, a type 1 diabetic since 1946, is successfully managing his condition with it, and wrote a book about it.
I was going to say this! Ketogenic diet is the best and most stable way of eating for pretty much anyone. Fat is a much better source of energy than glucose.
http://www.diabetes-book.com/book/mylife.shtml