1β-Hydroxydeoxycholic acid
1β-Hydroxydeoxycholic acid (1β-OH-DCA), a secondary bile acid, is a CYP3A biomarker. Deoxycholic acid is specifically metabolized into 1β-Hydroxydeoxycholic acid by CYP3A4 and CYP3A7 using recombinant human CYP450 enzymes[1].