Which range is normal for a fasting blood glucose level?

4-6 mmol/L (72-108 mg/dL).

2-4 mmol/L (36-72 mg/dL).

3-5 mmol/L (54-90 mg/dL).

5-7 mmol/L (90-126 mg/dL).

6-8 mmol/L (108-144 mg/dL)