Community Answer

Answered by Dr. Emily Carter, MD

A blood sugar level of 128 mg/dL can have different implications depending on when it was measured:

  • Fasting Blood Sugar (before eating): A fasting blood sugar level of 128 mg/dL is considered elevated and may indicate prediabetes or diabetes. Normal fasting blood sugar levels are typically between 70-99 mg/dL.
  • Postprandial (after eating): A blood sugar level of 128 mg/dL 1-2 hours after eating is generally considered normal for most people.

If your fasting blood sugar is consistently around 128 mg/dL, it’s important to consult a healthcare provider for further evaluation and potential testing, such as an A1C test, which provides an average blood sugar level over the past 2-3 months.

Blood Sugar Level (mg/dL) Interpretation

70-99 Normal
100-125 Prediabetes
126+ Diabetes

Last updated: 1/12/2025

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