Effect of electrolyzed high-pH alkaline water on blood viscosity in healthy adults.

In 100 healthy participants with no adverse events, after exercise-induced dehydration, consumption of the electrolyzed, high-pH water reduced high-shear viscosity by an average of 6.30% compared to 3.36% with standard purified water.

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Acute pre-exercise hydrogen rich water intake does not improve running performance at maximal aerobic speed in trained track and field runners: A randomized, double-blind, placebo-controlled crossover study.

Hydrogen-rich water did not significantly affect time to exhaustion, post-exercise blood lactate, maximal heart rate, or oxygen uptake.

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Hydrogen-rich water has a positive effect on heart rate variability at rest and during orthostatic loading, but not during cycling, in healthy adults: A pilot randomized, placebo-controlled crossover trial

H2HUBB PLAIN-LANGUAGE TAKEAWAY The study adds to the molecular-hydrogen evidence base, but the available record does not support a firm conclusion about therapeutic benefit. Hydrogen water cardiovascular health study 2026: what the findings mean This H2HUBB page translates the technical study record into consumer-friendly language while preserving the scientific details. The publication “Hydrogen-rich water has […]

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Hydrogen Rich Water Improved Ventilatory, Perceptual and Lactate Responses to Exercise.

A significantly lower blood lactate was found with HRW (4.0±1.6 and 8.9±2.2 mmol.l-1) compared to Placebo (5.1±1.9 and 10.6±3.0 mmol.l-1) at 3.0, and 4.0 W.kg-1, respectively.

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Hydrotherapy with hydrogen-rich water compared with RICE protocol following acute ankle sprain in professional athletes: a randomized non-inferiority pilot trial.

This pilot study suggests therapeutic potential, while larger randomized, placebo-controlled studies are needed to confirm the finding.

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[Clinical study of hydrogen-rich saline in the treatment of moderate to severe allergic rhinitis].

In this small clinical study, hydrogen-rich saline improved allergic-rhinitis outcomes without significant adverse reactions during follow-up.

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Hydrogen/oxygen therapy for the treatment of an acute exacerbation of chronic obstructive pulmonary disease: results of a multicenter, randomized, double-blind, parallel-group controlled trial.

AEs were reported in 34 (63.0%) patients in Hydrogen/oxygen group and 42 (77.8%) in Oxygen group.

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A randomized controlled double-blind study on the brain protection of infantile patients with epileptic spasm syndrome through atomized inhalation of hydrogen-oxygen gas.

This human publication evaluated hydrogen gas in Both groups received standard treatment plus 4 daily 1-h interventions for 14 consecutive days.

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Hydrogen-rich water reduces liver fat accumulation and improves liver enzyme profiles in patients with non-alcoholic fatty liver disease: a randomized controlled pilot trial.

Dual-echo MRI revealed that HRW significantly reduced liver fat accumulation in individual liver regions-of-interest at 28-day follow-up, as compared to placebo administration. This pilot study suggests therapeutic potential, while larger randomized, placebo-controlled studies are needed to confirm the finding.

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Effect of hydrogen gas inhalation on patient QOL after hepatectomy: protocol for a randomized controlled trial.

This publication examined hydrogen gas using the study design reported by the authoritative source. No study results are reported because this publication is a protocol.

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Effect of a hydrogen (H2)-enriched solution on the albumin redox of hemodialysis patients.

In 8 patients, however, the mean proportion of reversibly oxidized albumin in outlet serum was significantly lower than that in inlet serum following the H₂-HD session, whereas no significant changes were found in the standard solution session, suggesting that "intra-dialyzer" OS is reduced by H₂ -HD. This human hemodialysis study evaluated an H₂-enriched solution. Redox or peroxide terminology describes the biological context and does not change the identity of the molecular-hydrogen intervention.

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The effects of ingestion of hydrogen-dissolved alkaline electrolyzed water on stool consistency and gut microbiota: a double-blind randomized trial.

In The participants drank 500 mL of purified tap water or AEW every day for 2 weeks, the authors' hypothesis on the effectiveness of alkaline electrolyzed water (AEW) proposes that ingestion of AEW, considered possessing antioxidative properties, increases the number of Bifidobacteria and improves stool hardness and gastrointestinal symptoms.

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Hydrogen Gas Inhalation Improved Intestinal Microbiota in Ulcerative Colitis: A Randomised Double-Blind Placebo-Controlled Trial.

The hydrogen group showed higher α-diversity, and the variation in β-diversity was markedly different, compared to the placebo group, in intestinal microbiota analysis.

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Hydrogen-Rich Gas Enhanced Sprint-Interval Performance: Metabolomic Insights into Underlying Mechanisms.

(2) Hydrogen-Rich Gas Enhanced Sprint-Interval Performance: Metabolomic Insights into Underlying Mechanisms.

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Hydrogen Rich Water Consumption Positively Affects Muscle Performance, Lactate Response, and Alleviates Delayed Onset of Muscle Soreness After Resistance Training.

Hydrogen rich water reduced lactate at mid-way and immediately after the exercise.

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