what is normal blood sugar level mayo clinic?
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A blood sugar level less than 140 mg/dL (7.8 mmol/L) is normal. A reading of more than 200 mg/dL (11.1 mmol/L) after two hours indicates diabetes. A reading between 140 and 199 mg/dL (7.8 mmol/L and 11.0 mmol/L) indicates prediabetes.
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A blood sugar level below 70 mg/dL (3.9 mmol/L) is low and can harm you. A blood sugar level below 54 mg/dL (3.0 mmol/L) is a cause for immediate action. You are at risk for low blood sugar if you have diabetes and are taking any of the following diabetes medicines: Insulin.
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For a person without any type of diabetes, blood sugar levels are generally between 70 to 130 mg/dL depending on the time of day and the last time they ate a meal. Newer theories about non-diabetic blood sugar levels have included post-meal blood sugar levels as high as 140 mg/dL.
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Recommended range without diabetes is 70 to 130mg/dL. (The standard for measuring blood glucose is "mg/dL" which means milligrams per deciliter.) If your blood glucose level is above 130mg/dL, that's fasting hyperglycemia. Fasting hyperglycemia is a common diabetes complication.
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RBS test done within one or two hours of eating then the RBS normal value should be 180 mg/dl as per the American Diabetes Association and the RBS normal range should be anywhere between 80 mg/dl and 130 mg/dl prior to eating for healthy blood sugar levels in the body.
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A normal fasting blood glucose level is between 70 and 100 mg/dl (milligrams per deciliter of blood).
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If type 1 diabetes is left untreated, people's blood sugar levels can get very high, sometimes exceeding 27.8 mmol/L (500 mg/dL). Blood sugar concentrations below 3.3 mmol/L (60 mg/dL) are considered to be too low.
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Here are the normal blood sugar ranges for a person without diabetes according to the American Diabetes Association: Fasting blood sugar (in the morning, before eating): under 100 mg/dL. 1 hour after a meal: 90 to 130 mg/dL. 2 hours after a meal: 90 to 110 mg/dL.
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A blood sugar level less than 140 mg/dL (7.8 mmol/L) is normal. A reading between 140 and 199 mg/dL (7.8 mmol/L and 11.0 mmol/L) indicates prediabetes. A reading of 200 mg/dL (11.1 mmol/L) or higher after two hours suggests diabetes.
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An A1c of 12 means your average blood sugar is 298 mg/dl. “The American Diabetes Association classifies blood sugar as high when glucose levels are above: 180 mg/dl one to two hours after you eat.
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Normal blood sugar levels are less than 100 mg/dL after not eating (fasting) for at least eight hours. And they're less than 140 mg/dL two hours after eating. During the day, levels tend to be at their lowest just before meals.
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A blood sugar level less than 140 mg/dL (7.8 mmol/L) is considered normal. A blood sugar level from 140 to 199 mg/dL (7.8 to 11.0 mmol/L) is considered prediabetes. This is sometimes referred to as impaired glucose tolerance.
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For most people without diabetes, blood sugar levels before meals hover around 70 to 80 mg/dL. For some people, 60 is normal; for others, 90 is the norm.
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A normal pre-prandial (before meal) blood glucose level will be between 4 and 7 mmol/l. After eating (post-prandial) levels should be below 9 mmol/l when tested 2 hours after a meal. When going to bed for the night, levels should be no more than 8 mmol/l.
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Blood Sugar Levels in the Morning This gives you a glimpse of what may be happening overnight, and it gives you a baseline for the day. Under 70 mg/dl if you do not have diabetes. 70 to 130 mg/dl if you have diabetes.
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Ideally, blood glucose levels range from 90 to 130 mg/dL before meals, and below 180 mg/dL within 1 to 2 hours after a meal. Adolescents and adults with diabetes strive to keep their blood sugar levels within a controlled range, usually 80-150 mg/dL before meals.
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Usually, an overnight fast will not affect blood sugar levels, because the body will prevent it from dropping to dangerous levels; for example, the liver releases some of its stored sugar overnight. Normal fasting blood sugar levels for a person with diabetes are between 70 and 130 milligrams per deciliter (mg/dL).