Table 1.

Endogenous and exogenous antioxidants.

	Antioxidants
Endogenous Enzymatic	Endogenous Non-Enzymatic	Exogenous Non-Enzymatic
Superoxide dismutase copper	Glutathione	Carotenoids
Thioredoxin reductase	Uric acid	Lipoic acid
Glutathione peroxidase	Metal-binding proteins	Vitamin C
Catalase	Bilirubin	Vitamin E
Selenoprotein	Polyamines	Polyphenols
Peroxiredoxin	Coenzyme Q10	Hydroxycinnamic acids