Aug 8, 2023 · Ketones in your blood or urine indicate that your body is burning fats instead of glucose for energy. Having ketones means your body is using its backup energy source — …

May 7, 2025 · Ketones, also known as “ketone bodies,” are energy molecules created by the liver from the breakdown of fats. Your body makes ketones when you don’t have access to carbs or …

Oct 10, 2025 · Your ketone levels can give you critical information about your body. Find out how to check your ketone levels and determine what the results mean.

Sep 28, 2025 · Ketones are chemicals made by your liver cells when your body breaks down fat for energy. Urine, blood, and breath tests can determine ketone levels.

May 3, 2022 · Ketones are chemicals the body produces when it breaks down fat for energy. If too many ketones accumulate in the body, they can become toxic. This is because they make the …

May 26, 2022 · If the body does not have enough glucose, which is its primary source of energy, it breaks down fat as a substitute. This produces ketones. This article explains what ketones …

Ketones are a type of chemical that your liver produces when it breaks down fats. Your body uses ketones for energy typically during fasting, long periods of exercise, or when you don’t have as …

ketone, any of a class of organic compounds characterized by the presence of a carbonyl group in which the carbon atom is covalently bonded to an oxygen atom. The remaining two bonds are …

Ketosis is a metabolic state characterized by elevated levels of ketone bodies in the blood or urine. Physiological ketosis is a normal response to low glucose availability. In physiological …

Ketones are formed when there is not enough sugar or glucose to supply the body’s fuel needs. This occurs overnight and during dieting or fasting. During these periods, insulin levels are …