What is the acceptable A1C level for individuals without diabetes?

The acceptable A1C level for individuals without diabetes is defined as below 5.7%. This threshold is crucial for diagnosing and managing diabetes effectively, as levels below this value indicate normal glucose metabolism and a low risk for developing diabetes. The A1C test measures the average blood sugar levels over the past two to three months, and values in the normal range signify that the body is effectively managing glucose.

In contrast, values between 5.7% and 6.4% indicate prediabetes, which is a state where the blood sugar levels are higher than normal but not high enough to be classified as diabetes. An A1C level above 6.5% is one of the criteria used for diagnosing diabetes, and a level above 12% signals severely uncontrolled diabetes with a significant risk of complications. Maintaining A1C levels below 5.7% is essential for preventing the onset of diabetes and associated health risks.