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  5. Could a vitamin B12 deficiency cause my HbA1c (average blood sugar) level to show a falsely high reading of 6.8, especially since my fasting blood sugar is normal at 88?

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Could a vitamin B12 deficiency cause my HbA1c (average blood sugar) level to show a falsely high reading of 6.8, especially since my fasting blood sugar is normal at 88?

Asked by Male, 39 · 15 days ago

Yes, a vitamin B12 deficiency can indeed cause a falsely elevated HbA1c reading. A B12 deficiency can affect how your red blood cells are produced and how long they live. Because HbA1c measures the sugar attached to these cells over their lifespan, longer-lasting cells can make your average sugar look higher than it actually is, even with a wonderful fasting blood sugar of 88. I highly recommend discussing this with your doctor so they can check your B12 levels and look at the whole picture together.
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Could a vitamin B12 deficiency cause my HbA1c (average blood sugar) level to show a falsely high reading of 6.8, especially since my fasting blood sugar is normal at 88?

Answered 15 days ago

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