An oral glucose tolerance test (OGTT) measures how well your body processes glucose, or blood sugar. Glucose is your body’s primary source of energy. An OGTT is a type of blood test. It requires ...

How often should you test your glucose and A1C? How do food, sleep and exercise affect blood sugar? Here’s what to know. Credit...Illustration by Andrei Cojocaru; Photos by Getty Supported by By Nina ...

A random glucose test measures the amount of glucose or sugar circulating in a person’s blood at any time of day. Typical ranges for a glucose tolerance test are 140 milligrams per deciliter or lower.

Q: I’m confused by the relationship between my blood glucose level and A1c. My blood glucose has crept up from 100 to 112 in one year after I started taking 40 mg of atorvastatin. My A1c level is 5.1 ...

If you have diabetes, it’s important to frequently check your blood sugar levels. Uncontrolled blood sugar levels can lead to serious health complications such as heart disease, kidney failure, stroke ...

If a person is surprised about their blood sugar results, it may be that some factor — such as a damaged test strip — has produced a falsely high reading. It may also be a sign of an underlying health ...

Normal blood sugar levels are about 70-100 mg/dL. Your blood sugar will naturally fluctuate a bit throughout the day in response to food and other factors. However, it ideally stays within a set range ...