Testimonies of Restored Health

I'm trying to help my husband get his blood sugar under control so he can avoid taking insulin. I would prefer that he even get it so well under control that he wouldn't need the pills he takes either. I found this article to be of great interest, though I'm sort of skeptical. I watched my mother-in-law suffer from diabetes and I do know it's a horrible condition with which to live. I'd love to hear responses from others concerning the claims made in Testimonies of Restored Health.