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A normal blood sugar level is less than 100 milligrams per deciliter when fasting and 140 milligrams per deciliter two hours after eating a meal. A milligram per deciliter is a unit of measure that shows the concentratio... More »

www.reference.com Health Medical Ranges & Levels

Normal blood sugar levels for a person over 20 with diabetes varies throughout the day, with a normal fasting glucose level being below 100, states WebMD. Before a meal, ideal levels are 70 to 130, after a meal less than... More »

www.reference.com Health Medical Ranges & Levels

A blood sugar level of 54 is very dangerous, as anything below 70 milligrams per deciliter is considered low, according to Healthline. Low blood sugar levels can cause fainting, seizure or a coma. Extremely low blood sug... More »

www.reference.com Health Medical Ranges & Levels
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A normal blood sugar level for diabetics after a meal is 180 milligrams per deciliter or lower, according to WebMD. Before a meal, the ideal range is from 70 to 130. Before bedtime, the target range is 100 to 140. More »

www.reference.com Health Medical Ranges & Levels

After fasting for eight hours, a normal blood glucose, or blood sugar, level is between 70 and 99 milligrams per deciliter, according to the Virginia Mason Medical Center. Two hours after eating, the glucose level should... More »

www.reference.com Health Medical Ranges & Levels

A healthy person should have a fasting blood sugar level below 100 milligrams per deciliter when fasting, and below 140 milligrams per deciliter two hours after eating, according to WebMD. If fasting blood sugar level is... More »

www.reference.com Health Medical Ranges & Levels

A normal blood glucose level is any level below 100 milligrams per deciliter, or mg/dL, during periods of fasting or less than 140 mg/dL two hours after a meal, according to WebMD. However, most healthy people have blood... More »

www.reference.com Health Medical Ranges & Levels