Serum ALT levels provide insight into liver health, as ALT is an enzyme involved in protein metabolism. The liver releases ALT into the bloodstream when it is damaged or inflamed. Normal ALT levels are generally considered to be between 7 and 56 units per liter (U/L), though reference ranges can slightly differ based on individual labs. Here’s what normal levels indicate:
- Healthy Liver Function:
Normal ALT levels suggest that the liver is functioning well without any major issues such as hepatitis, fatty liver disease, or cirrhosis. - Minimal Liver Cell Damage:
Since ALT is released into the bloodstream when liver cells are damaged, a normal range indicates minimal to no liver cell injury.
To maintain normal ALT levels and promote liver health:
- Balanced Diet:
- Incorporate fruits, vegetables, lean proteins, and whole grains. Avoid excessive sugar, processed foods, and fatty meals, which can burden the liver.
- Exercise Regularly:
Regular physical activity helps maintain a healthy weight, reducing the risk of fatty liver disease. - Limit Alcohol:
Excessive alcohol consumption can lead to liver damage and elevated ALT levels. Moderation is key. - Avoid Overuse of Medications:
Some medications, such as acetaminophen (Tylenol), can increase ALT levels if used in excess or for prolonged periods.
Normal ALT levels indicate good liver function, but significant deviations could warrant further investigation by a healthcare provider.
Recommended Tests:
- Gamma-Glutamyl Transferase (GGT)
This test, like ALT, helps assess liver function and can be useful in diagnosing liver disease or bile duct problems.
Gamma-Glutamyl Transferase (GGT) - Total Bilirubin
Elevated bilirubin levels can indicate liver dysfunction, making this test an important complement to ALT measurement.
Total Bilirubin Test
