(a).

Enzyme	Food, beverage, or bioactive compounds Food sources in italics	Type of study	Dosages used and references
	Cruciferous vegetables	Clinical	500 mg/d indole-3-carbinol [23]
	Resveratrol  Grapes, wine, peanuts, soy, and itadori tea [32]	Clinical	1 g/d resveratrol [28]: note high dose used
	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]
CYP1A1	Curcumin  Turmeric, curry powder [34]	In vivo	1,000 mg/kg/d/rat curcumin [35], or about 150 mg per rat per day
	Soybean	In vivo	100 mg/kg soybean extract [7]
	Garlic	In vivo	30 to 200 mg/kg garlic oil [36]
	Fish oil	In vivo	20.5 g/kg fish oil [36]: note high dose used
	Rosemary	In vivo	Diet of 0.5% rosemary extract [37]
	Astaxanthin  Algae, yeast, salmon, trout, krill, shrimp, and crayfish [38]	In vivo	Diets of 0.001–0.03% astaxanthin for 15 days [39]
	Cruciferous vegetables	Clinical	7–14 g/kg cruciferous vegetables including frozen broccoli and cauliflower, fresh daikon radish sprouts and raw shredded cabbage, and red and green [24]  500 g/d broccoli [4]  250 g/d each of Brussel sprouts and broccoli [25]  500 g/d broccoli [26]
CYP1A2	Green tea	In vivo	45 mL/d/rat (avg. 150 g animal weight) green tea [33] Green tea (2.5% w/v) as sole beverage [40]
	Black tea	In vivo	54 mL/d/rat (avg. 150 g animal weight) black tea [33]
	Chicory root	In vivo	Diet of 10% dried chicory root [41]
	Astaxanthin  Algae, yeast, salmon, trout, krill, shrimp, and crayfish [38]	In vivo	Diets of 0.001–0.03% astaxanthin for 15 days [39]
CYP1B1	Curcumin  Turmeric, curry powder [34]	In vivo	Diet of 0.1% curcumin [35]
	Cruciferous vegtables	In vivo	25–250 mg/kg indole-3-carbinol [27]