Normal A1C by age refers to the average blood sugar levels measured over 2 to 3 months, with typical normal values below 5.7%. For children and teens, especially those with diabetes, target A1C levels are often set below 7.5% to balance good blood sugar control and safety. Healthy adults usually aim for A1C levels under 5.7%, but for those managing diabetes, targets are commonly below... https://thewebhealth.com/what-is-normal-hba1c-by-age/