Liver enzymes are proteins in your liver that speed up chemical reactions. If your liver is damaged, blood tests will show abnormally high levels of these enzymes circulating in your bloodstream.

Liver damage often develops silently but can become life-threatening if ignored. Early signs include fatigue, nausea, itching ...

Doctors can diagnose fatty liver disease, now called metabolic dysfunction-associated steatotic liver disease (MASLD), using blood tests that measure serum liver enzyme levels. Elevated enzyme levels ...