Nov 17, 2024 · Learn about the amino acid alanine (Ala) and its role in metabolism, including its chemical properties, dietary sources, biological functions, and the importance of alanine …

Jan 29, 2025 · An alanine aminotransferase (ALT) test can show whether you have a liver disease or injury. Learn how this test works and how it can help your doctor diagnose you.

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.

Your ALT is usually measured along with another liver enzyme called AST as part of a liver function panel. Since ALT is mostly found in the liver, an ALT test checks more specifically for liver damage.

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.

Dec 6, 2025 · ALT blood tests are a type of test that measures your liver function. If you have liver damage or live with liver disease, your liver releases ALT into your blood.

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 …

Sep 25, 2025 · An alanine aminotransferase (ALT) test measures the amount of this enzyme in the blood. ALT is found mainly in the liver, but also in smaller amounts in the kidneys, heart, muscles, …

Jul 23, 2025 · While small amounts of ALT in your blood are normal, elevated levels often serve as an early warning sign that your liver needs attention. ALT testing has become a cornerstone of routine …

What is ALT in a blood test? Learn about its normal range, what high or low levels mean for your liver health, and how to manage results.