Dec 2, 2025 · An AST/ALT ratio of less than 1 (where the ALT is higher than the AST) is a general indication of fatty liver disease. An AST/ALT ratio equal to 1 (where the ALT is equal to the AST) may …

ALT is more specific to liver injury because of its greatest concentration in the liver, while AST can also be found in extrahepatic organs, including brain, heart, and skeletal muscle.

Jan 18, 2025 · AST is an enzyme that helps the body break down amino acids. Like ALT, AST is usually present in blood at low levels. An increase in AST levels may mean liver damage, liver disease or …

Jun 2, 2024 · Mildly elevated ALT and AST levels can be caused by nonalcoholic fatty liver disease (NAFLD) and alcoholic liver disease. ALT is a more specific indicator of liver inflammation than AST, …

Mar 24, 2018 · Raised ALT / AST levels in the blood occur in pathologies that cause liver cell (hepatocyte) inflammation or damage. Therefore, raised ALT / AST levels are a marker of …

Jul 25, 2025 · A typical AST/ALT ratio in healthy individuals is around 0.7 to 1.2, meaning ALT levels are slightly higher or similar to AST levels. Most liver cell injuries show a greater increase in ALT than AST.

The AST/ALT ratio or De Ritis ratio is the ratio between the concentrations of two enzymes, aspartate transaminase (AST) and alanine transaminase, aka alanine aminotransferase (ALT), in the blood of …

Sep 7, 2024 · What Are the Key Differences Between ALT and AST? The following table compares two liver enzymes, ALT (alanine aminotransferase) and AST (aspartate aminotransferase), focusing on …

Jul 25, 2025 · Learn what AST and ALT liver enzymes mean in blood tests, their normal ranges, causes of elevation, and how to improve liver health naturally.

Apr 11, 2025 · ALT is generally considered more reliable for detecting liver-specific damage, while elevated AST may indicate problems in other organs, as supported by the most recent study from …