Hydrogen-rich Water and Caffeine for Alertness and Brain Metabolism in Sleep-deprived Habitual Coffee Drinkers

Overview

Journal Food Sci Nutr

Specialty Biotechnology

Date 2021 Sep 17

PMID 34532023

Citations 4

Authors

Nikola Todorovic

Dragana Zanini

Valdemar Stajer

Darinka Korovljev

Jelena Ostojic

Sergej M Ostojic

Affiliations

Soon will be listed here.

Abstract

The main aim of this randomized-controlled cross-over interventional trial was to assess the acute effects of taking a single dose of hydrogen-rich water (HRW), and compare it with caffeine, HRW plus caffeine, and control water, for alertness, brain metabolism, brain and oxygen saturation, and self-reported adverse events in healthy men and women who were habitual coffee drinkers and were sleep-deprived for 24 hr. Sixteen apparently healthy young adults (8 men and 8 women; age 24.0 ± 3.5 years) were allocated in a cross-over design to receive a single-dose drink of HRW (8 ppm), caffeine (50 mg), HRW plus caffeine, or control drink (tap water) in the morning after 24-hr sleep deprivation and 12-hr fasting. The primary and secondary outcomes were assessed at baseline (pre-intervention) and 15-min follow-up. Significantly less time was needed to complete trail-making test after both HRW and HRW plus caffeine compared with the control drink ( < .05). The number of errors in the symbol digit modalities test was significantly lower after drinking HRW or caffeine than control drink ( < .05). Both HRW and caffeine significantly increased the choline-to-creatine ratio in several brain regions (frontal white and gray matter), while HRW and the combination intervention also affected brain metabolism in the paracentral brain. No participants reported any side effects from any intervention. The attention enhancement driven by HRW appears along with changes in brain metabolism. Being generally recognized as a safe intervention, hydrogen could be thus recommended as a novel intervention that upholds attention in stressed conditions, with its metabolic footprint likely different from caffeine.

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Hydrogen-rich water and caffeine for alertness and brain metabolism in sleep-deprived habitual coffee drinkers.

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PMID: 34532023 PMC: 8441318. DOI: 10.1002/fsn3.2480.

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