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Blood Glucose Testing: Choosing the Best Time
The American Diabetes Association recommends that blood glucose testing guidelines be tailored to the individual.

Your doctor should do a blood test, a Hemoglobin A1c, which gives an idea of your average glucose level over the past 8 to 10 weeks. That number acts as your “report card.” It is closely related to your risk of diabetes complications and helps your health care provider decide if changes are needed in your treatment plan in order to keep your numbers within a target range.

Knowing when to test your blood glucose levels yourself to ensure you remain within that target range is important. Some of the best times include self testing after eight hours of fasting, two hours after a meal and when you think your glucose is elevated.

Testing your blood glucose levels at the same time everyday isn’t recommended. Many people only test first thing in the morning but if those values are within target, but their average (HbA1c) is elevated then they may be missing elevations later in the day.


Self testing can also help you decide how certain foods fit into your diet. When wondering if a food item is too high in carbohydrates, testing your glucose levels two hours after eating it can help determine what effect it has on your glucose management.


Glucose testing is a great way to get information to help each person make better decisions throughout the day.

For more information on safe target values or an effective testing regimen for you, talk your health care provider or a certified diabetes educator.