What Should Blood Sugar Be 1 Hour After Eating

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* What Is A Normal Blood Sugar?

Normal blood sugars after a high carbohydrate breakfast eaten at 7:30 AM. The blue line is the average for the group. The brown lines show the range within which most readings fell (2 standard deviations). Bottom lines show Insulin and C-peptide levels at the same time. Click HERE if you don't see the graph. Graph is a screen shot from Dr. Christiansen's presentation cited below. The term "blood sugar" refers to the concentration of glucose, a simple, sugar, that is found in a set volume of blood. In the U.S. it is measured in milligrams per deciliter, abbreviated as mg/dl. In most of the rest of the world it is measured in millimoles per liter, abbreviated as mmol/L. The concentration of glucose in our blood changes continually throughout the day. It can even vary significantly from minute to minute. When you eat, it can rise dramatically. When you exercise it will often drop. The blood sugar measures that doctors are most interested in is the A1c, discussed below. When you are given a routine blood test doctors usually order a fasting glucose test. The most informative blood sugar reading is the post-meal blood sugar measured one and two hours after eating. Doctors rarely test th Continue reading >>

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Popular Questions

  1. energy

    What are the NORMAL 1-hr, 2-hrs and 3-hrs post meal blood sugar levels for the NON-diabetics?

    Editor's Note: Also read Is My Blood Sugar Normal? and HbA1c: Everything You Need to Know.
    Except for this one on Blood Sugar 101 web site I have not seen any scientific research on this topic although this question often comes up in forums about the diabetes. Anytime this subject comes up we go back to this single study in the reference.
    I cannot imagine this is a very difficult and expensive study to conduct and am certain that more of such studies have already been done a number of times by the scientific community, but perhaps we cannot see them openly in the Internet because of the copyright issues.
    So, what are the numbers you have seen for the NORMAL 1-hr, 2-hrs and 3-hrs post meal blood sugar levels for NON-diabetics? It would be helpful if you could tell us where you got your numbers from.

  2. furball64801

    Good question and as you said we go by a few references. I can go by a few I have tested at family parties when we were back home. Some were over 140 two hours after I dont have a 1 hr data but most if not all were back down to 100 by the 3 hr mark. It was a very small about 4 person study on my part, the meals were pretty carb loaded so have to go with that also. It shows how many carbs people eat and dont realize it, I was really cutting back at that point.

  3. jwags

    The only other place I have seen this discussed is in Dr Bernsteins book. When he discussed Normal non diabetics he says they usually stay within the range 80-100. He says occasionally they will spike as high as 140 or 160 but that is very rare. The reason for this is that their basal insulin is working correctly. So as soon as they eat they have insulin on board to deal with what they just ate and never spike high. Also their Phase 1 insulin response works the way it is supposed to work.

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