Naija Gist - Latest: These Ketosis Strips Tell You if You're in Ketosis Everyday Health: Ketones in Urine: When and Why to Test for Them and What They Mean Your body typically uses glucose, or sugar, as its main source of energy. When cells don’t get the glucose they need, the body begins to use fat instead. Burning fat produces ketones, a type of acid ...

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Ketones in Urine: When and Why to Test for Them and What They Mean