My fasting blood glucose was 6.8 mmol/l this morning. is this normal?

Prediabetes: If you fasted for 10-12 hours this is not normal. You likely have impaired fasting glucose and risks of that are close to early diabetes. Your risk of progression to diabetes is hight. Treatment is weight loss and dietary changes. If you have other symptoms your doctor may prescribe metformin. Rechecking fasting glucose should be done in 6-8 w Checking glycogen oblivion may also be indicated.

High for fasting: A blood glucose of 6.8 mmol/L (122 mg/dl) is within the range of a normal blood glucose, however it is high for a fasting blood glucose (10 hours after last eating. If your blood glucose was checked before you had eaten anything (i.e. fasting) then it should be less than 5.5 mmol/L. You may need other tests, such as HgbA1c or glucose tolerance test, to determine whether or not you have diabetes.