Fasting To take a fasting blood sugar do it first thing in the morning, or at least six to eight hours after the last meal. If your fasting blood sugar level between 70 to 108 mg/dL is normal. A fasting blood sugar level from 110 to 125 mg/dL is considered prediabetes. If it’s 126 mg/dL or higher on two separate tests, you probably have diabetes. After … Continue reading Blood Sugar -What Are Your Numbers?