Your urine often comprises trace amounts of ketones, which provide energy. When blood plasma levels are above 0.1-0.2 millimoles per liter, ketones appear in the urine. High levels of ketones can ...

Ketosis may cause bad breath. Ketones are broken down for use as a fuel source, and acetone is one of the byproducts the body excretes in the urine and breath. This may smell fruity but not in a ...

A new study has found that people with type 2 diabetes who ingested ketones before exercise had increased cardiac output, stroke volume, and peripheral muscle oxygenation — all indicators of ...