GGT (Gamma-Glutamyl Transferase)
Standard Reference Range
See Lab Results
Optimal Cognitive Range
9–48 U/L
Clinical Significance
Liver enzyme — elevated with alcohol, medications
Clinician Discussion
Often not included in basic screening panels; request if experiencing brain fog or related symptoms. Optimal ranges for cognitive performance may differ from standard laboratory ranges.
This information is for educational purposes only. Always consult with a qualified healthcare professional.