Alanine Transaminase (ALT) - Cleveland Clinic
Nov 4, 2021 · Alanine transaminase (ALT) is an enzyme that’s mainly found in your liver. High levels of ALT in your blood may indicate damage or injury to your liver.
What Is an Alanine Aminotransferase (ALT) Test? - WebMD
Jan 29, 2025 · Your body uses ALT to break down food into energy. Normally, ALT levels in the blood are low. If your liver is damaged, it will release more ALT into your blood and levels will rise.
Alanine aminotransferase (ALT) blood test - Mayo Clinic
Jun 3, 2025 · An ALT blood test helps check for liver damage. Learn when the test is done, how to prepare and what the results mean.
High ALT Blood Test Levels: Causes, Symptoms and When to Worry
Jan 13, 2025 · The possible causes of high ALT levels in the body include liver disease, alcoholism, obesity, muscle damage, heart failure, and more. Learn about symptoms and ways to lower high ALT …
ALT Blood Test: MedlinePlus Medical Test
High levels of ALT in your blood may be a sign of a liver injury or disease. Some types of liver disease cause high ALT levels even before you have symptoms of the disease. So, an ALT blood test may …
ALT Blood Test: Importance and What Your Results Mean - Health
Dec 6, 2025 · The alanine transaminase (ALT) blood test measures liver enzyme levels. Elevated levels can be a sign of liver damage or disease.
What Liver Enzymes Do and What Levels Are Normal
Dec 2, 2025 · Elevated ALT may indicate a range of liver problems, including 14. Certain medications can also raise ALT levels in the blood. Low levels of ALT in the blood could indicate a vitamin B6 …
When to worry about ALT levels? | SiPhox Health
Jul 23, 2025 · Normal ALT levels typically range from 7-40 U/L for men and 7-35 U/L for women, though these ranges can vary slightly between laboratories. However, recent research suggests that even …
ALT Blood Test: High vs Low ALT Levels & At-Home Testing Guide
Dec 16, 2025 · Learn what an ALT blood test measures, what high or low ALT means, and how to check your liver enzymes at home. Includes ranges, causes, and when to retest.
ALT Blood Test: High Levels and What Do They Mean? - Healthline
Apr 26, 2024 · High levels of ALT in the blood can indicate liver issues. Implementing these strategies may help lower ALT levels. Alanine aminotransferase (ALT) is an enzyme found inside liver cells....