(a).

Enzyme	Food, beverage, or bioactive compounds Food sources in italics	Type of study	Dosages used and references
	Fish oil	Clinical	3 × 1 g/d fish oil containing 1098 mg EPA and 549 mg DHA [181]
	Lycopene  Tomatoes, rose hips, guava, watermelon, and papaya  [111]	Clinical	2 × 15 mg/d lycopene [181]
	Curcumin  Turmeric, curry powder  [34]	In vivo	200 mg/kg/d curcumin [155]  75 mg/kg/d curcumin [156]  50 mg/kg/d curcumin [157]  200 mg/kg/d curcumin [158]
	Cruciferous vegetables	In vivo	0.5 mg/kg/d sulforaphane [159]  Diet of 15% crushed broccoli seed [160]
	Garlic	In vivo	50 and 100 mg/kg/d diallyl disulfide [161]  250 mg/kg/d raw garlic [162]  25 mg/kg S-allyl cysteine [163]
	Catechins  Tea (especially green tea), cocoa, legumes, and grapes  [182]	In vivo	5, 15, and 45 mg/kg epicatechin [164]  15 mg/kg epicatechin [165]  20 mg/kg Theaphenon E (95% EGCG) [166]  5, 15, and 30 mg/kg epicatechin [167]
	Resveratrol  Grapes, wine, peanuts, soy, and itadori tea  [32]	In vivo	10 mg/kg/d [168]  20 mg/kg/d [169]
Nrf2	Ginger	In vivo	100 mg/kg/d [6]-shogaol [170]  10 and 100 mg/kg dried ginger extract [171]
	Purple sweet potato	In vivo	100 and 200 mg/kg anthocyanin extract from purple sweet potato [118]
	Isoflavones  Soy, kudzu root, and red clover  [183]	In vivo	80 mg/kg/d soy isoflavones [172]  60 and 120 mg/kg puerarin from kudzu root [173]
	Coffee	In vivo	2.0 mL/d coffee to an average animal weight of 200 g ± 10 g [174]
	Rosemary	In vivo	50 and 100 mg/kg carnosic acid [175]  5 mg/animal carnosol extract [176]
	Blueberry	In vivo	200 mg/kg blueberry [166]  0.6 and 10 g/day [177]
	Pomegranate	In vivo	1 and 10 g/kg pomegranate extract [178]: note high doses used
	Naringenin  Citrus  [179]	In vivo	50 mg/kg/d naringenin [179]
	Ellagic acid  Berries, pomegranate, grapes, walnuts, and blackcurrants  [42]	In vivo	Diet of 0.4% ellagic acid [166]
	Asthaxanthin  Algae, yeast, salmon, trout, krill, shrimp, and crayfish  [38]	In vivo	15 mg/kg astaxanthin [166]
	γ-tocopherol  Nuts, seeds, whole grains, vegetable oils, and legumes  [111]	In vivo	20.8 mg/kg γ-tocopherol [180]