Alanine Aminotransferase (ALT)

Also known as alanine transaminase, ALT is an enzyme primarily produced in the liver. Blood ALT levels rise in response to liver cell damage and are a sensitive marker of liver inflammation and health. Heightened levels of ALT may be an early sign of impending clinical symptoms of conditions such as non-alcoholic fatty liver disease.[48]

Alanine Aminotransferase (ALT) VMR Male Alanine Aminotransferase (ALT) RR Male Alanine Aminotransferase (ALT) VMR Female Alanine Aminotransferase (ALT) RR Female


[48]Lala V, Zubair M, Minter DA. Liver Function Tests. In: StatPearls. StatPearls Publishing; 2025. Accessed November 6, 2025. http://www.ncbi.nlm.nih.gov/books/NBK482489/

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