Know Your Blood Parameter : ALT (SGPT)

1. Parameter Name 

   Alanine Aminotransferase (ALT / SGPT)

   
   

2. Test Type 

   Blood

   
   

3. Normal Range

   • Men: 10 – 40 U/L

   • Women: 7 – 35 U/L (May vary slightly by lab)

     
     

4. High Levels Indicate 

   Liver cell damage or inflammation — seen in hepatitis, fatty liver disease, alcohol-related liver damage, or certain medications.

   
   

5. Low Levels Indicate 

   Generally not concerning. Very low levels may occur in vitamin B6 deficiency, but are rarely clinically significant.

   
   

6. Why It's Tested 

   To assess liver health and detect liver damage or inflammation.

   
   

7. Associated Symptoms (if abnormal) 

   Fatigue, jaundice, abdominal pain, nausea, dark urine (if liver is affected).

   
   

8. What To Do If Abnormal

   Repeat test, correlate with AST and other liver enzymes, ultrasound liver if needed, consult a doctor.

   
   

9. Common Conditions Related 

   Fatty liver, hepatitis (A, B, C), cirrhosis, drug-induced liver injury

   
   

10. Nutrition or Lifestyle Connection 

    Reduce alcohol intake, maintain healthy weight, eat liver-friendly foods (e.g., leafy greens, turmeric), and avoid processed foods.

    
    

11. References (APA Format) 

    Mayo Clinic. (2023). Liver function tests. 

    MedlinePlus. (2023). Alanine transaminase (ALT) test. 

    American Liver Foundation. (2023). Understanding liver tests.