What Is Prediabetes? So, what is pre diabetes? Prediabetes is a condition where your blood sugar levels are higher than normal but not yet high enough to be classified as diabetes. It usually happens when your body starts becoming resistant to insulin. Insulin is the hormone responsible for helping glucose move from your bloodstream into your cells for energy. When insulin does not... https://www.freedomfromdiabetes.org/blog/post/how-to-reverse-prediabetes/5359