About 213,000 results
Open links in new tab
  1. Ketones: What They Are, Function, Tests & Normal Levels

    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 — …

  2. What are Ketones? Types, Benefits, and How to Test

    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 …

  3. Ketone Levels: How to Test and What It Means - Verywell Health

    Oct 10, 2025 · Learn more about ketone levels, what they mean, and when to test for them. If you have diabetes, you will want to understand the difference between trace, moderate, and high …

  4. Ketone - Wikipedia

    Ketones are trigonal planar around the ketonic carbon, with C–C–O and C–C–C bond angles of approximately 120°. Ketones differ from aldehydes in that the carbonyl group (C=O) is bonded …

  5. Ketones: Urine, Blood, and Breath Tests - Health

    Sep 28, 2025 · Ketones are chemicals produced by your liver cells when your body breaks down fat for energy. They act as an alternate source for your body's energy needs.

  6. Ketosis: Definition, Keto Diet, Symptoms, and Side Effects

    Jul 11, 2024 · Ketosis is when your body burns stored fat for energy instead of blood sugar. Ketogenic diets are high fat, low-carb diets meant to induce ketosis in the body. Learn more …

  7. What are ketones? | Ketones in diet | Diabetes UK

    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 …

  8. Ketone | Definition, Properties, & Facts | Britannica

    Dec 23, 2025 · 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 …

  9. Ketones in Blood: MedlinePlus Medical Test

    A high or positive test result means you have ketones in your blood. It's normal to have some blood ketones, but if your levels are very high and you have symptoms, you may have …

  10. Ketones Explained: Ranges, Causes, Meaning, and Treatments

    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 …