The body cells use glucose as a source of energy for various functions. Insulin is the hormone that regulates the glucose in the human body. It is produced by the pancreas and released into the bloodstream when glucose level rises. It is very important that glucose remains within a safe range or else it would prove harmful to the body. High or low levels of glucose in the body cause different complications like nerve damage, brain damage, kidney disease etc. Glucose levels keep on changing when you eat, drink, and exercise or even due to certain medications. It helps to know the normal glucose blood levels for your overall health.
Normal glucose blood levels
If you want to ensure that glucose levels do not fluctuate and to keep them under control, you need to know what normal blood glucose level is. Usually glucose levels are lowest in the morning before your first meals. However, after you eat anything they may be higher in the marginal range of 80mg/dL to 150mg/dL (i.e. 3.9 to 8.3mmol/L). The levels are high in the two hours immediately after meals. The normal levels preferred among diabetics and non diabetics may be different to a certain extent. For the diabetics it may be a bit higher level than what are preferred among the non diabetics.
Normal blood glucose levels among diabetes patients
Fasting glucose among diabetics should be in the range of 90 to 130mg/dL i.e less than 7mmol/L. 2 hours after eating; the recommend normal levels have to be less than 9mmol/L. Inability to control glucose levels within this range may lead to complications of diabetes like eye and kidney disease. High glucose levels also are an increased risk for heart diseases. It is ideally preferable at less than 5mmol/L before meals and less than 6 after meals. However, this may not be entirely possible with the present medication and the possibility of hypoglycemia.
Normal glucose blood levels for various tests
You can take different tests to check blood glucose levels. The normal range for each may vary to a certain extent as the tests are done at different times of the day under different conditions. The normal range for fasting blood glucose test taken 8 hours after fasting should be at 110mg/dL or 6.1mmol/L. If it is more than 126mg/dL after two consecutive blood tests you may be suffering from diabetes. The postprandial test conducted 2 hours after you eat anything should indicate a level preferably at 120mg/dL or 6.6mmol/L. The glucose level usually comes down to under 100mg/dL or 5.5 among non diabetics after two hours. The random test that is done at any time without any meal or exercise restrictions has a normal range less than 200mg/dL or 11.1mmol/L. The oral glucose tolerance test measures the body’s response to sugar. First the fasting blood glucose is measured and a sugary solution given to you. After two hours glucose level is measured again. The normal level for this test too should be less than 140mg/dL or 7.8mmol/L.
Maintaining normal glucose blood levels is possible with a healthy diet and regular exercises as well as necessary medication. Anything outside normal glucose blood levels increases the risk of hyperglycemia, hypoglycemia, diabetes and other complications like kidney damage, nerve damage, vision problems etc. It is always advisable to consult your doctor about normal acceptable levels of blood glucose which would enable you to stay in control and lead a healthier life.
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