liver · ALT · SGPT
Alanine Aminotransferase
A liver enzyme; elevations suggest liver-cell stress. The most common cause of mild elevation today is fatty liver linked to metabolic health.
This page is general wellness education, not medical advice. Your own lab’s reference range and your clinician’s interpretation always take precedence.
Typical reference range
| Group | General range |
|---|---|
| Men | 7 – 55 U/L |
| Women | 7 – 45 U/L |
Units: U/L. Ranges vary by lab and assay — read yours against the range printed on your own report.
What high Alanine Aminotransferase can mean
- Fatty liver (MASLD)
- Alcohol
- Medications
- Viral hepatitis
- Intense exercise
What low Alanine Aminotransferase can mean
- Generally not clinically concerning