when to test for ketones in urine
A ketone test checks for ketones in your blood or urine. Ketones are substances that are made when the body breaks down fat for energy.Normally, your body gets the energy it needs from glucose (sugar). If your body cannot use glucose for energy-for example, if your body doesn't make or use insulin-ketones are formed. ketone test checks for ketones in your blood or urine. Ketones are substances that are made when the body breaks down fat for energy.