Table 4.

Human and in vivo example nutrient inducers of selected CYP4 enzymes.

Enzyme	Food, beverage, or bioactive compounds Food sources in italics	Type of study	Dosages used and references
CYP4A1	Green tea	In vivo	Green tea (2.5% w/v) as sole beverage [40]
CYP4B1	Caffeic acid  Coffee [80]	In vivo	179 mg/kg caffeic acid [79]