
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 — …
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 …
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 …
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 …
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.
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 …
Ketosis: Definition, Benefits, Downsides, and More - Healthline
Apr 19, 2023 · Ketosis is a metabolic state in which ketones become an important source of energy for the body and brain. It occurs when carb intake and insulin levels are low.
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 …
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 …
Ketones - Diabetes Teaching Center
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 …