what is the normal glucose level for adults
Random Blood Glucose. The average level of glucose in the bloodstream of a normal adult ranges from 70 to 130 mg/dL before meals and less than 180 milligrams per deciliter, or mg/dL, 2 hours after starting a meal, according to the American Diabetes Association.A random blood glucose test can be done at any time.andom Blood Glucose. The average level of glucose in the bloodstream of a normal adult ranges from 70 to 130 mg/dL before meals and less than 180 milligrams per deciliter, or mg/dL, 2 hours after starting a meal, according to the American Diabetes Association. A random blood glucose test can be done at any time.