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Free Radic Biol Med. 1995 Jun;18(6):1079-86.

Oxidative stress during exercise: implication of antioxidant nutrients.

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Department of Kinesiology and Interdepartmental Program of Nutritional Sciences, University of Wisconsin-Madison, USA.


Research evidence has accumulated in the past decade that strenuous aerobic exercise is associated with oxidative stress and tissue damage in the body. There is indication that generation of oxygen free radicals and other reactive oxygen species may be the underlying mechanism for exercise-induced oxidative damage, but a causal relationship remains to be established. Enzymatic and nonenzymatic antioxidants play a vital role in protecting tissues from excessive oxidative damage during exercise. Depletion of each of the antioxidant systems increases the vulnerability of various tissues and cellular components to reactive oxygen species. Because acute strenuous exercise and chronic exercise training increase the consumption of various antioxidants, it is conceivable that dietary supplementation of specific antioxidants would be beneficial.

[Indexed for MEDLINE]

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