The A1C test measures a person’s average blood glucose or blood sugar levels over the past 3 months. An A1C reading of over 5.6% may be a cause for concern, but this will depend on various factors.

Using a chart of blood sugar levels by age can help you track glucose ... often just called A1C or HbA1C. Your A1C level goes up with age. This blood test shows your average blood sugar over ...

Read on to learn more about blood glucose levels by age with a chart offering glucose level guidance, as well as other factors that may influence your glucose levels. The 2025 standards of care ...