Usage Note
Blutzucker is the concentration of glucose in the blood, central to the management of diabetes. Nüchternblutzucker is the fasting blood glucose level; Blutzucker messen means to test blood sugar.
Examples
"Diabetiker müssen ihren Blutzucker regelmäßig kontrollieren."
Natural Translation
Diabetics must check their blood sugar regularly.
Literal Translation
Diabetics must control their blood-sugar regularly.

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