what is a normal liver enzymes
Quick Answer. The normal level of liver enzymes for adult men are 7 to 55 units per liter of alanine aminotransferase, or ALT, and 8 to 48 units per liter of aspartate aminotransferase, or AST, notes Mayo Clinic. Normal alkaline phosphatase, or ALP, levels fall between 45 and 115 units per liter.