What is a healthy A1C level by age? A healthy A1C level generally falls below 5.7%, indicating normal blood sugar levels. However, target A1C levels can vary depending on age and overall health. For children and teens with diabetes, the goal is usually under 7.5% to allow safe and effective glucose management. Healthy adults under 65 typically aim for an A1C below 7%, especially if th... https://thewebhealth.com/what-is-normal-hba1c-by-age/