What is considered as a safe blood sugar level?


Quick Answer

A safe blood sugar level is less than 100 milligrams per deciliter of blood before meals and less than 140 milligrams per deciliter after eating, reports WebMD. A normal blood sugar level in a nondiabetic ranges from 60 to 90 milligrams per deciliter before a meal..

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Full Answer

After eating a meal, a normal blood sugar level rises from 60 to 90 milligrams per deciliter to around 135 to 140 milligrams per deciliter. If blood sugar levels rise above 180 to 200 milligrams per deciliter after a meal, the kidneys are unable to reabsorb the glucose, leading to various problems, according to ABC News.

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