What Are Ketostix?


Quick Answer

KetoStix is the most well-known brand name for the small urine test strips that show the level of ketones in the urine. They are primarily used at home to determine if a person is in ketosis, which means the body is burning stored fat instead of recently eaten carbohydrates.

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Full Answer

While some ketones are used by the body for energy, one type, acetone, is not. About.com Low Carb Diets explains that when the body begins using ketones for energy, acetone is released through the breath or urine. When a KetoStix is urinated on, the acetone causes a reaction with the reagent, turning the end of the stick a dark color. The more acetone in the urine, the darker the color strip. While ketosis itself is not dangerous, it can develop into ketoacidosis, which can be life-threatening.

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