In short, knowing your blood sugar numbers is the first step toward preventing serious health complications. Normal fasting levels. A result of 99 mg/dL or lower is considered normal for a healthy adult. Prediabetes warning signs. Levels consistently falling between 100 to 125 mg/dL indicate a higher risk of developing the disease. Diabetes diagnostic criteria. Two separate tests showing 126 mg/dL or higher typically confirm a diagnosis of diabetes. A glucose test for diabetes is ... [Read More]

