Denis Slinkin

Fasting Blood Sugar

Denis Slinkin

For a person who does not have any type of diabetes, blood sugar levels are usually between 70 and 130 mg/dL, depending on the time of day and the last time he ate food. Newer theories about non-diabetic blood sugar levels include blood sugar levels after eating up to 140 mg/dL, says Dr. Slinkin. (If you live outside the U.S. and are used to measuring in mmol/l, just divide all the numbers by 18).

Here’s the normal blood sugar FBS range for a person without diabetes, according to the American Diabetes Association:

Blood sugar packing (in the morning, before meals): less than 100 mg/dL.

  • 1 hour after meal: 90 to 130 mg/dL.
  • 2 hours after meal: 90 to 110 mg/dL.
  • 5 hours or more after meals: 70 – 90 mg/dL.

Diagnosis of pre-diabetes, type 2 and type 1 diabetes mellitus

FBS Denis Slinkin

Depending on the country or medical organization in which you are asking, the qualification numbers for “normal” and “pre-diabetes” diabetes as compared to type 1 or 2 diabetes diagnosed may differ slightly. For the diagnosis of pre-diabetes and diabetes according to sources including the American Diabetes Association and the British Diabetes Association, the following blood sugar and A1c general results are used:  


HbA1c: 5.7 to 6.4 percent

Post: 100-125 mg/dL

2 hours after meal: 140 mg/dL to 199 mg/dL

Diabetes type 1 or 2

HbA1c: 6.5 percent or higher

Post: 126 mg/dL or higher

2 hours after meal: 200 mg/dL or more

Please note: Type 1 diabetes mellitus tends to develop very rapidly, which means that by the time symptoms appear, blood sugar levels are usually consistently above 200 mg/dL. For many, symptoms develop so rapidly
that they are rejected as a prolonged flu or other seemingly common virus.

By the time blood sugar levels are tested, many Type 1 patients will have seen blood sugar levels above 400 mg/dL and above. If you suspect that you or someone close to you has type 1 diabetes, seek immediate primary or emergency medical attention and ask for a urine test to measure ketones in addition to blood sugar and A1c. Read more about ketones when diagnosing diabetes in the “Manual of Diabetic Ketoacidosis of the Strong”, explains Dr. Denis.

Your A1c goals and blood sugar levels FBS

Removing any type of diabetes is much harder than giving the patient insulin and telling him to keep his blood sugar out of X and X. If you have had diabetes for more than a few days, you probably already know about it.

What is A1C?

“The A1c test, hemoglobin A1c, HbA1c or glycohemoglobin (all different names for the same item) is a blood test that measures the average blood sugar level in the last 2-3 months,” explains Cristel Orum in her DiabetesStrong manual about the reduction of blood sugar in a patient with diabetes.

In the last two weeks, the blood sugar level FBS before testing for A1c has had the biggest impact on your results, but the amount of glucose attached to hemoglobin (a protein in red blood cells) in your body in the last 3 months. The more glucose in your bloodstream from high blood sugar levels, the more glucose is added to hemoglobin.

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