Alanine aminotransferase (ALT), formerly known as serum glutamic-pyruvic transaminase (SGPT), is an enzyme primarily found in the liver. It plays a vital role in metabolizing proteins and is crucial for various metabolic processes. ALT levels in the blood are indicative of liver health, as the enzyme is released into the bloodstream when liver cells are damaged or inflamed....
High ALT levels typically indicate liver damage or inflammation. Causes can include: