Alanine Aminotransferase (ALT) is an enzyme mainly found in the liver, playing a significant role in the metabolism of proteins. ALT is used as a key indicator of liver health. Elevated levels of ALT in the blood often signify liver damage or inflammation, as it is released into the bloodstream when liver cells are injured. Common causes of increased ALT levels include viral hepatitis, fatty liver disease, and alcohol-related liver damage. It’s frequently measured alongside other liver enzymes in blood tests to diagnose and monitor liver conditions. Low levels of ALT are typically not a concern and do not usually indicate any specific health issue.

Alanine Aminotransferase (ALT)

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