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5. ALT vs AST

ALT and AST are commonly measured together in either a liver function test or as part of a comprehensive metabolic panel, which measures 14 substances in the body.

Both AST and ALT are liver enzymes, but because AST is found in other places of the body, it is not as specific to identifying liver issues as ALT.

doctor with Blood tubes and needle for AST Aspartate aminotransferase and ALT alanine aminotransferase test in lab angelp / Getty Images

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