All markers › Organs
GGT (liver)
A liver enzyme that rises with alcohol, fatty liver and some medications.
Dr. Sorrell's optimal rangeNot set in the Lab DecoderUse your lab's reference range and talk it over with your clinician.
Who includes it, and what it costs
| Provider | Included / price | Checked |
|---|---|---|
| Function Health | ✓ included | 2026-10-16 |
| Superpower | ✓ included | 2026-10-16 |
| Jinfiniti AgingSOS Cellular Essentials | — | — |
| Quest (questhealth.com) | — | — |
| Labcorp OnDemand | $59 GGT Test | 2026-10-16 |
| Walk-In Lab | $29 Gamma-Glutamyl Transferase (GGT) Blood Test | 2026-10-16 |
| Ulta Lab Tests | $23.95 GGT Test | 2026-10-16 |
| Mito Health | $4.2 non-member price; member $3.00 | 2026-10-16 |
| Rythm Health | ✓ included | 2026-10-16 |
| SiPhox Health | — | — |
| Everlywell | — | — |
| LetsGetChecked | — | — |
Memberships (Function, Superpower) and Jinfiniti's panel cover many markers for one price. See the home page. Quest and Walk-In Lab add a physician fee of about $6 per order.