(b).

Enzyme	Food, beverage, or bioactive  compounds Food sources in italics	Type of study	Dosages used and references
	Ellagic acid  Berries, pomegranate, grapes, walnuts, and blackcurrants [42]	In vivo	10 and 30 mg/kg/d ellagic acid [43]
CYP2B	Green tea	In vivo	100 mg/kg/d green tea extract [56]
	Cruciferous vegetables	In vivo	3 and 12 mg/kg/d sulforaphane [57]
CYP2B1	Turmeric	In vivo	Diet of 1% turmeric [46]
	Green tea	In vivo	45 mL/d/rat (avg. 150 g animal weight) green tea [33]
CYP2C	Black tea	In vivo	54 mL/d/rat (avg. 150 g animal weight) black tea [33]
	Ellagic acid  Berries, pomegranate, grapes, walnuts, and blackcurrants [42]	In vivo	30 mg/kg/d ellagic acid [43]
CYP2C6	Ellagic acid  Berries, pomegranate, grapes, walnuts, and blackcurrants [42]	In vivo	30 mg/kg/d ellagic acid [43]
CYP2C9	Resveratrol  Grapes, wine, peanuts, soy, and itadori tea [32]	Clinical	1 g/d resveratrol [28]: note high dose used
	Myricetin  Onions, berries, grapes, and red wine [58]	In vivo	2 and 8 mg/kg myricetin [58]
CYP2C19	Kale	In vivo	2 g/kg/d kale, as freeze-dried kale drink [51]
	Resveratrol  Grapes, wine, peanuts, soy, and itadori tea [32]	Clinical	1 g/d resveratrol [28]: note high dose used
CYP2D6	Garden cress	Clinical	7.5 g twice daily intake of garden cress seed powder [55]
	Kale	In vivo	2 g/kg/d kale, as freeze-dried kale drink [51]
	Watercress	Clinical	50 g watercress homogenate [59]
	Garlic	Clinical and in vivo	0.2 mg/kg diallyl sulfide, equivalent to high human garlic consumption [60]   100 mg/kg garlic oil [52]  200 mg/kg diallyl sulfide [8]  30 to 200 mg/kg garlic oil [36]  Diet of 2% and 5% garlic powder [61]
	N-acetyl cysteine  Allium vegetables [54]	In vivo	25 mg/kg and 50 mg/kg N-acetyl cysteine [54]
CYP2E1	Ellagic acid  Berries, pomegranate, grapes, walnuts, and blackcurrants [42]	In vivo	10 and 30 mg/kg/d ellagic acid [43]
	Green tea	In vivo	45 mL/d/rat (avg. 150 g animal weight) green tea [33]
	Black tea	In vivo	54 mL/d/rat (avg. 150 g animal weight) black tea [33]
	Dandelion	In vivo	0.5 and 2 g/kg dandelion leaf water extract [62]
	Chrysin  Honey, honeycomb [63]	In vivo	20 and 40 mg/kg/d chrysin [63]
	Medium-chain triglycerides (MCTs)  Coconut and coconut oil	In vivo	32% calories as MCTs [64]