Looks like it works with a good number of the people that participated in the trials, too. It requires some will power, tho. You apparently have to go on a severely restricted diet and the effects can be reversed in as little as a week. This lends a good bit of hope to millions of people out there with this disease. And no drugs are required.
Crash course diet reverses Type 2 diabetes in a week - Telegraph
Crash course diet reverses Type 2 diabetes in a week - Telegraph