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Randomized Controlled Trial
. 2019 Sep;97(9):857-862.
doi: 10.1139/cjpp-2019-0059. Epub 2019 Jun 28.

Drinking Hydrogen Water Enhances Endurance and Relieves Psychometric Fatigue: A Randomized, Double-Blind, Placebo-Controlled Study 1

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Randomized Controlled Trial

Drinking Hydrogen Water Enhances Endurance and Relieves Psychometric Fatigue: A Randomized, Double-Blind, Placebo-Controlled Study 1

Toshio Mikami et al. Can J Physiol Pharmacol. .

Abstract

Acute physical exercise increases reactive oxygen species in skeletal muscle, leading to tissue damage and fatigue. Molecular hydrogen (H2) acts as a therapeutic antioxidant directly or indirectly by inducing antioxidative enzymes. Here, we examined the effects of drinking H2 water (H2-infused water) on psychometric fatigue and endurance capacity in a randomized, double-blind, placebo-controlled fashion. In Experiment 1, all participants drank only placebo water in the first cycle ergometer exercise session, and for comparison they drank either H2 water or placebo water 30 min before exercise in the second examination. In these healthy non-trained participants (n = 99), psychometric fatigue judged by visual analogue scales was significantly decreased in the H2 group after mild exercise. When each group was divided into 2 subgroups, the subgroup with higher visual analogue scale values was more sensitive to the effect of H2. In Experiment 2, trained participants (n = 60) were subjected to moderate exercise by cycle ergometer in a similar way as in Experiment 1, but exercise was performed 10 min after drinking H2 water. Endurance and fatigue were significantly improved in the H2 group as judged by maximal oxygen consumption and Borg's scale, respectively. Taken together, drinking H2 water just before exercise exhibited anti-fatigue and endurance effects.

Keywords: Borg’s scale; O max; bicyclette ergométrique; cycle ergometer; eau hydrogénée; endurance; essai clinique avec répartition aléatoire; exercice physique; exercise; fatigue; hydrogen; hydrogen water; hydrogène; randomized clinical trial; visual analogue score; échelle de Borg; échelle visuelle analogue.

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