
Choose Labs test kit
Liver Function Test
Test the 7 key biomarkers linked to liver health & function.
- What each marker measures, listed below
- A finger-prick blood sample you take at home
- Results in about 3–4 days once the lab receives your sample
- Ships free
What This Test Measures
AST (Aspartate Aminotransferase)
An enzyme found in the liver, heart and muscles.
ALT (Alanine Aminotransferase)
An enzyme found mainly in the liver.
AST:ALT Ratio
Your AST level compared with your ALT level, calculated from the two results.
GGT (Gamma-Glutamyl Transferase)
An enzyme found mainly in the liver, and also in the kidneys and pancreas.
Average Blood Sugar (HbA1c)
Your average blood sugar over roughly the past two to three months.
Inflammation (hs-CRP)
High-sensitivity C-reactive protein, a general marker of inflammation in the body.
Visceral Fat
An estimate of the fat stored around your internal organs.
The list of markers is from Choose Health's own Liver Function Test page. The short descriptions are ours.
How It Works
- 1
Collect your sample
At home, with the painless lancet in the kit. Four or five drops of blood are enough for every marker on this test.
- 2
Send it to the lab
Post it back in the prepaid envelope that comes in the kit, from any USPS post office or drop box.
- 3
Get your results
Results are shared securely online about 3–4 days after the lab receives your sample.
Choose Health states that all testing is performed by CAP- and CLIA-accredited laboratories.

