Definition: Euglycemia describes a normal level of glucose in the blood. Glucose is necessary for the body, especially the brain, to function properly.
According to the National Diabetes Information Clearinghouse, normal fasting blood glucose levels for people who don't have diabetes is 70 mg/dl to 99 mg/dl. The normal postprandial range is 70 mg/dl to 140 mg/dl. A normal A1c is 4.5 to 5.5.
