Normal fasting blood sugar levels typically range between 70-99 mg/dL (3.9-5.5 mmol/L).
- Elevated fasting blood sugar levels may indicate prediabetes (impaired glucose tolerance) or diabetes, depending on the severity of the elevation.
- Abnormally low fasting blood sugar levels (hypoglycemia) may be a sign of an underlying health condition or medication side effect and require further evaluati