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Blood Glucose Normal Range Chart
The blood sugar concentration or blood glucose level is the amount of glucose (sugar) present in the blood of a human or animal. The body naturally tightly regulates blood glucose levels as a part of metabolic homeostasis. Glucose is the primary source of energy for the body's cells, and blood lipids (in the form of fats and oils) are primarily ...Read more
100mg/dL or less: Physicians measure patient's fasting blood glucose. This is the blood sugar taken when the patient hasn't had food or drink for at least 8 hours. "normal" is considered to be 100mg/dl or less. There is a little leeway before a level is high enough to raise concern and necessitate intervention though. A non-fasting blood sugar - or random should be less than 150... Especially 2 hours after you eat. ...Read moreSee 2 more doctor answers
Depends . . .: If fasting, 60-99mg/dl is considered normal. 100-125mg/dl is impaired fasting and 125mg/dl or greater on two separate occasions defines diabetes. Random >200mg/dl plus symptoms also defines diabetes. Think of blood sugar like speedometer in car which varies all time depending upon road conditions. Average speed is akin to hemoglobin a1c which is average sugar over last 3 months, ideally <5.7%. ...Read moreSee 1 more doctor answer
Does normal blood sugar vary by age? What are the normal fasting and normal after-eating blood sugar ranges?
No; 100; 140: Normals are the same regardless of age. Fasting under 100 (110 according to others); 2 hours post meal under 140. ...Read more
Blood sugar: Mean level is 5.5mmol/l or 100mg./dl. , although it fluctuates during the day where it rises after meals. The normal fasting level is 70-100 mg./dl. If not fasting, the level should not exceed 125 mg./dl. For diabetics, the level should be 70-130 fasting, or less than 180 after meals. ...Read more
Ful-term baby: 40-150, preemie 30-150.Get a more detailed answer ›
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