Ketones, or ketone bodies, are acids your body makes when it’s using fat instead of glucose for energy. Your body gets most of its energy from glucose, a sugar that mainly comes from carbohydrates in …

An aldehyde differs from a ketone in that it has a hydrogen atom attached to its carbonyl group, making aldehydes easier to oxidize. Ketones do not have a hydrogen atom bonded to the carbonyl group, …

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 to …

May 7, 2025 · What Are Ketones? 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 …

When the carbonyl group is attached to an aromatic ring, the compound is referred to as an aromatic ketone. If the carbonyl carbon is directly bonded to a benzene ring, it is called an aryl ketone.

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 · When it does this, it produces ketones, also known as ketone bodies. If you have high ketone levels, you’re at risk of developing diabetic ketoacidosis (DKA), which can be life threatening.

Dec 14, 2025 · Understand the keto group: its core chemical structure, presence in essential molecules, and critical role in forming metabolic ketone bodies.

Oct 10, 2025 · A ketone test can warn you of a serious diabetes complication called diabetic ketoacidosis (DKA). Learn what ketones are, when you need to test, and how to do it.