Table 1: (a) Human and in vivo example nutrient inducers of CYP1 enzymes. (b) Human and in vivo example nutrient inhibitors of CYP1 enzymes.
(a)

EnzymeFood, beverage, or bioactive compounds
Food sources in italics
Type of studyDosages used and references

Cruciferous vegetablesClinical500 mg/d indole-3-carbinol [23]
Resveratrol 
Grapes, wine, peanuts, soy, and itadori tea [32]
Clinical1 g/d resveratrol [28]: note high dose used
Green teaIn vivo 45 mL/d/rat (avg. 150 g animal weight) green tea [33]
Black teaIn vivo 54 mL/d/rat (avg. 150 g animal weight) black tea [33]
CYP1A1Curcumin 
Turmeric, curry powder [34]
In vivo 1,000 mg/kg/d/rat curcumin [35], or about 150 mg per rat per day
SoybeanIn vivo 100 mg/kg soybean extract [7]
Garlic In vivo 30 to 200 mg/kg garlic oil [36]
Fish oilIn vivo 20.5 g/kg fish oil [36]: note high dose used
RosemaryIn 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 vegetablesClinical7–14 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]
CYP1A2Green teaIn vivo 45 mL/d/rat (avg. 150 g animal weight) green tea [33]
Green tea (2.5% w/v) as sole beverage [40]
Black teaIn vivo 54 mL/d/rat (avg. 150 g animal weight) black tea [33]
Chicory rootIn 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]

CYP1B1Curcumin 
Turmeric, curry powder [34]
In vivo Diet of 0.1% curcumin [35]
Cruciferous vegtablesIn vivo 25–250 mg/kg indole-3-carbinol [27]

(b)

EnzymeFood, beverage, or bioactive compounds
Food sources in italics
Type of studyDosages used and references

Black raspberryIn vivo Diet of 2.5% black raspberry [6]
BlueberryIn vivo Diet of 2.5% blueberry [6]
CYP1A1Ellagic acid 
Berries, pomegranate, grapes, walnuts, and blackcurrants [42]
In vivo 30 mg/kg/d ellagic acid [43] 
400 ppm ellagic acid [6]
Black soybeanIn vivo 1 g/kg black soybean seed coat extract [44]: note high dose used
Black teaIn vivo 20 mg/kg theaflavins [45]
TurmericIn vivo Diet of 1% turmeric [46]

Apiaceous vegetablesClinical4 g/kg apiaceous vegetables, including frozen carrots and fresh celery, dill, parsley, and parsnips [24]
Quercetin 
Apple, apricot, blueberries, yellow onion, kale, alfalfa sprouts, green beans, broccoli, black tea, and chili powder
[47, 48]
Clinical500 mg/d quercetin [29]
CYP1A2Daidzein 
Soybean [49]
Clinical200 mg twice daily dosing of daidzein [49]
GrapefruitClinical300 mL grapefruit juice [50]
KaleIn vivo 2 g/kg/d kale, as freeze-dried kale drink
[51]
Garlic In vivo 100 mg/kg garlic oil [52]
Chamomile In vivo Free access to 2% chamomile tea solution [53]
Peppermint In vivo Free access to 2% peppermint tea solution [53]
Dandelion In vivo Free access to 2% dandelion tea solution [53]
TurmericIn vivo Diet of 1% turmeric [46]