A gamma-glutamyl transferase (GGT) test measures the amount of the enzyme GGT in your blood. High levels of GGT may be a sign of liver damage. Learn more.

A gamma-glutamyl transferase (GGT) test is a blood test used to diagnose liver or bile duct issues. Alcohol, medications and health issues can cause high GGT levels.

Gamma-glutamyltransferase (also γ-glutamyltransferase, GGT, gamma-GT, gamma-glutamyl transpeptidase; [1] EC 2.3.2.2) is a transferase (a type of enzyme) that catalyzes the transfer …

Jul 28, 2025 · GGT is elevated in liver/biliary tract disease or as a result of moderate to excessive alcohol consumption. Higher GGT levels also increase the risk of several diseases and may …

Feb 11, 2025 · GGT is a common enzyme found in the liver and other organs. A GGT test is often part of a panel of tests that can also include alanine transaminase (ALT) and aspartate …

Understand normal and high GGT levels, their implications, and how to lower them. Get tips on maintaining healthy GGT levels.

Gamma-glutamyl transpeptidase (GGT) is a blood test that measures the level of the enzyme GGT to screen for diseases of the liver or bile ducts. GGT may be measured along with other …

Dec 11, 2025 · GGT Blood Test: What It Is & How to Monitor at Home A GGT blood test is one of the most sensitive indicators of early liver stress but most people who see “GGT” on a lab …

Jul 26, 2016 · GGT is a noninvasive biomarker linked to various health conditions and overall survival. High GGT levels often indicate vitamin B6, B9, or B12 deficiencies, reduced …

Aug 1, 2024 · With the GGT test, a healthcare professional measures the levels of GGT in a sample of blood. When GGT falls within the typical range, it suggests that there is no liver …