What is a suger lavel in fifty five year old man?

Depends on eating. Blood sugar (a test for diabetes) can be measured at various times. A fasting blood sugar should be less than 100 mg/dl, and a blood sugar taken randomly should not exceed 200 mg/dl. Blood sugar 2 hours after a meal should be less than 140. If you think you have high blood sugar, you should see your doctor for a blood draw.
70-100 mg/dl. The fasting blood glucose level of all adults should range between 70 and 100 mg/dl. Reference ranges may differ slightly between labs.
Depends. It depends on when you check your blood sugar. Fasting sugar should be < 100. Random bs should be < 200. 2 hour after meal bs should be < 140.