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.

Alanine aminotransferase (ALT) is a liver enzyme, and high levels can indicate liver damage. Dietary and lifestyle steps to lower ALT levels may help the liver recover. This article looks at what ALT ...

For patients with chronic viral hepatitis, clinicians instinctively rely on liver enzyme measurements to estimate disease activity and assess need for liver biopsy or antiviral treatment. Although ...

Patients with nonalcoholic fatty liver disease (NAFLD) may have normal alanine aminotransferase (ALT) levels in spite of having advanced fibrosis, according to a new study in the September issue of ...

Jay N. Yepuri, MD, MS, FACG, is a board-certified gastroenterologist and member of the Digestive Health Associates of Texas Board of Directors and Executive Committee. A liver function test checks how ...

Liver enzymes can fluctuate due to factors like hormonal changes or reactions to medications. Fluctuations are often temporary, but long-term changes may indicate a condition that requires medical ...

It has recently been proposed that the true upper normal limit of serum alanine aminotransferase (ALT) is much lower than that listed by the manufacturers of commercially available assays. The normal ...

Elevated liver enzymes can indicate a problem in the liver. However, eating a balanced diet and regularly exercising are some of the ways a person can lower liver enzyme levels. The liver contains ...