What Is the Normal Blood Sugar Level Range for a Healthy Adult?


Quick Answer

The Mayo Clinic explains that the normal fasting blood sugar level range for a healthy adult is 70 to 100 milligrams per deciliter of blood. The American Diabetes Association recommends fasting sugar levels of 70 to 130, and no more than 180 after meals.

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Full Answer

Patients who don't present low blood sugar level symptoms may need to keep higher glucose levels than normal. A health care provider personalizes and monitors blood sugar level care, and sets targets for specific medical conditions. Keeping glucose levels within a safe range prevents diabetic complications, and when in doubt, the patient should always consult a health care provider.

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