What do the results of a blood glucose test mean?

Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)
If you haven't eaten within several hours, your blood sugar levels should be between 70 and 100. A measure of 100-125 is considered prediabetic, and 126 means you've got diabetes. If you've eaten recently and your blood sugar level reads above 200, it places you among the 80 million Americans living with diabetes. As the sugar builds up in your body due to insulin resistance, it acts like shards of glass, scraping away at the walls of your arteries, leaving them severely weakened.

This content originally appeared on doctoroz.com.

Continue Learning about Diabetes


Diabetes mellitus (MEL-ih-tus), often referred to as diabetes, is characterized by high blood glucose (sugar) levels that result from the body’s inability to produce enough insulin and/or effectively utilize the insulin. Diabetes ...

is a serious, life-long condition and the sixth leading cause of death in the United States. Diabetes is a disorder of metabolism (the body's way of digesting food and converting it into energy). There are three forms of diabetes. Type 1 diabetes is an autoimmune disease that accounts for five- to 10-percent of all diagnosed cases of diabetes. Type 2 diabetes may account for 90- to 95-percent of all diagnosed cases. The third type of diabetes occurs in pregnancy and is referred to as gestational diabetes. Left untreated, gestational diabetes can cause health issues for pregnant women and their babies. People with diabetes can take preventive steps to control this disease and decrease the risk of further complications.

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.