What is a normal blood glucose level?
Normal or usual plasma blood glucose (sugar) levels range depending on the time of day, meals, and other factors. Using a chart like the one below can help you and your healthcare provider develop a program of regular blood glucose monitoring for diabetes management.
These are considered normal blood glucose ranges for people without diabetes and with diabetes:
Time of Check Goal ranges for people without diabetes. Goal ranges for people with diabetes
- Before breakfast (fasting) <100 mg/dL 70-130mg/dL
- Before lunch, supper and snack <110 mg/dL 70-130 mg/dL
- Two hours after meals <140 mg/dL <180 mg/dL
- Bedtime <120 mg/dL 90-150 mg/dL
A1C (also known as glycosylated hemoglobin A1c, HbA1c, or glycohemoglobin A1c) <6% <7%
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What is low blood glucose?
Low blood glucose, known as low blood sugar or hypoglycemia, is when your blood glucose levels fall below 70 mg/dL. Symptoms can set in quickly and include dizziness, anxiety, cold sweats and more.
What is hyperglycemia?
One has hyperglycemia, or high blood sugar, when they have excess glucose in the blood – a blood glucose level above 130 milligrams per deciliter (mg/dL) – and haven’t eaten for 8 hours.
What is a normal fasting blood glucose for a person with diabetes?
According to the American Diabetes Association (ADA) guidelines, patients with diabetes should strive to achieve fasting blood glucose levels below 131 mg/dL, and levels following meals below 180 mg/dL.