Oxidative Stress and Exercise: What Correlations?

and sporting performance.

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Before analyzing some aspects of this field, however, it is necessary to begin with two necessary explanatory premises.

they are among the reactive species and are characterized by the presence of one or more unpaired electrons in the external orbitals.

(.NO), while the non-radical ones include hydrogen peroxide (H2O2), singlet oxygen (1O2) and peroxynitrite (ONOO-) as a combination of superoxide and nitric oxide.

In the "redox homeostasis, the RONS are counterbalanced by antioxidant systems, both enzymatic and non-enzymatic: among the former we find for example superoxide dismutase (SOD), catalase (CAT) and complexes based on glutathione or thioredoxin, among the latter polyphenols, "albumin and vitamins A, C and E.