It is also commonly measured in biochemical testing and is supplemented if it is low. (bio-alternatives.net)
Liver functions were assessed using a panel of biochemical tests indicating liver inflammation (aspartate amino transferase and alanine amino transferase), cholestasis or biliary obstruction (total bilirubin and alkaline phosphatase) and synthetic function (albumin). (thecmmr.org)
Using biochemical tests on mouse nerve cells, Harraz and the team worked out the steps of the molecular chain reaction responsible for ketamine's NMDA - blocking antidepressant effects. (sciencedaily.com)