Hydrogen Water and Balance: What Recent Research Suggests About Mobility as You Age

A single sphere of clear water suspended in mid-air against a soft white background, fine bubbles dispersing radially outward from its core

The single best predictor of whether an older adult falls next year isn't age. It's how fast they can stand up from a chair.

That is how geriatric medicine measures fall risk. Clinicians use the 30-second chair-stand test, walking speed, and grip strength as functional proxies for the systems that keep a body upright. A study published in June 2026 in the Journal of Frailty, Sarcopenia and Falls measured exactly those things in 128 older adults in Hiroshima, Japan — and reported that the participants who already drank hydrogen-rich water on their own scored better on most of them. Below is what that study found, what earlier trials add to the picture, and where the evidence stops.

The Scale of Molecular Hydrogen Research

Molecular hydrogen has been studied widely since Ohsawa and colleagues published the field's foundational paper in Nature Medicine in 2007. Johnsen and colleagues, reviewing the clinical evidence in Molecules in 2023, identified 81 registered clinical trials across cardiovascular, respiratory, and central nervous system research, and noted that many were small with heterogeneous methods. That is the backdrop for the research below.

The Real Reason Balance Research Matters After 65

Falls are the leading cause of injury among older adults, and the line between an independent life and a dependent one often comes down to a handful of unglamorous measures. Grip strength. Gait speed. How many times someone can stand up from a chair in 30 seconds without using their hands.

Balance itself isn't one thing — it's the sum of muscle power, joint flexibility, and reaction speed, coordinated under load, which is why researchers rarely study "balance" directly and instead measure its components. Walking speed alone is one of the most-cited predictors of independence in geriatric research. Lower-body strength is the other pillar. The muscles that let someone catch themselves matter more than most people assume, until the moment they need them.

The Mechanism: Why Researchers Link Hydrogen to Physical Function

Fu and colleagues, reviewing molecular hydrogen's role in aging in Oxidative Medicine and Cellular Longevity in 2022, described how hydrogen's antioxidant activity intersects with recognized hallmarks of aging — cellular senescence, mitochondrial decline, and loss of physical function among them. That's a mechanistic account, not a guarantee. It's why researchers have started measuring hydrogen-rich water against the same functional tests a geriatrician uses in clinic.

The 2026 Study: Hydrogen Water and Mobility in Older Adults

Harada and Miyakawa, publishing in the Journal of Frailty, Sarcopenia and Falls in June 2026, studied 128 community-dwelling older adults attending community salons in Hiroshima, Japan. Participants were classified as hydrogen-rich water consumers or non-consumers based on their own existing habits, then followed for six months with repeated physical assessments.

What Chair-Stand, Gait Speed, and Grip Strength Actually Showed

Compared with non-consumers, hydrogen-rich water consumers showed better six-month chair-stand performance (1.85 more repetitions), faster gait speed (0.07 m/s), longer one-leg stance time (1.78 seconds), and stronger grip strength (0.80 kg) — four separate measures, all pointing the same direction. Timed Up and Go, a fifth measure, didn't show a clear difference between groups.

An Observational Study, Not a Randomized Trial

Here's the honest caveat, stated plainly rather than buried: this was an observational study of self-selected habits, not a randomized controlled trial. The researchers noted that residual confounding remains possible — people who already exercise more or care more about their health might be the same people who pick up a hydrogen water habit. What the study shows is an association across four consistent measures, not proof of cause and effect.

What a 27-Study Meta-Analysis Found About Strength and Power

Zhou and colleagues pooled 27 trials and 597 participants in a 2024 meta-analysis in Frontiers in Nutrition, examining hydrogen's effect on physical performance in healthy adults. The result most relevant here: the pooled analysis reported a statistically significant difference in lower-limb explosive power in the hydrogen groups. The same analysis found reduced perceived exertion and lower blood lactate, though effects on aerobic endurance and raw strength were smaller and didn't reach significance.

Muscle Recovery and Strength Training After 50

Kuzmanovic and colleagues ran a randomized pilot trial in 27 previously untrained adults over 50, published in Research in Sports Medicine in 2025. After six weeks of resistance training, the hydrogen group showed significantly less exercise-induced muscle damage than placebo, plus a trend toward better sleep.

Antioxidant Capacity in a Second Meta-Analysis

A separate 2024 review by Li and colleagues pooled six trials and reported a significant difference in antioxidant capacity after exercise in the hydrogen groups. It did not report a change in the specific oxidative-damage marker measured directly — a sign this remains a developing field.

A Six-Month Trial in Adults 70 and Older

Zanini and colleagues ran a randomized controlled pilot trial, published in Experimental Gerontology in 2021, testing six months of hydrogen-rich water against a control drink in 40 adults aged 70 and up. Chair-stand performance — the same measure at the center of the 2026 Hiroshima study — improved significantly in the hydrogen group versus control (P = 0.01), and telomere length, a cellular marker linked to aging, increased in the hydrogen group while it declined in the control group. Tan and colleagues ran a similarly designed trial in long-COVID patients, reported in Nutrients in 2024, and reported changes in the same chair-stand test and in six-minute walk distance after 14 days of hydrogen-rich water — a different population using the same functional measures; that trial also reported no change in dyspnea.

Common Questions About Hydrogen Water, Balance, and Mobility

Has any study measured hydrogen water and balance directly? No. No study has measured balance as a single outcome. Research measures its components instead — chair-stand performance, gait speed, one-leg stance, and grip strength — and a 2026 observational study of 128 older adults reported that self-selected hydrogen-rich water consumers scored better on most of those measures than non-consumers.

Is the 2026 study proof that hydrogen water prevents falls? No. It is an association from an observational study, not a randomized trial designed to test cause and effect, and the researchers said so themselves. A six-month randomized pilot trial in 40 adults aged 70 and older reported better chair-stand performance than control, and a 27-study meta-analysis reported a difference in lower-limb explosive power; none of these studies measured falls.

Were adverse effects reported in the trials in older adults? The trials in adults over 70 referenced above did not report significant adverse effects at the concentrations studied. Anyone taking medication should check with a healthcare provider before adding anything new to their routine.

Does this connect to joint health? Related but distinct — joint stiffness changes how someone moves and is studied separately as a fall-risk factor. Our coverage of hydrogen water and joint health looks at that research on its own terms.

How is this different from hydrogen water and sarcopenia? Closely related. Sarcopenia research focuses on muscle mass and cellular aging; this covers functional outcomes — the tests a clinician actually uses to assess fall risk. Our piece on hydrogen water and sarcopenia covers the muscle-mass side.

Further Reading

For the broader literature, see PubMed's results for hydrogen-rich water and physical function in older adults.

  • Ohsawa et al. (2007), Nature Medicine. PMID: 17486089. The foundational paper proposing that hydrogen gas selectively targets the most damaging free radicals — the starting point for every hydrogen study that followed.
  • Harada & Miyakawa (2026), Journal of Frailty, Sarcopenia and Falls. PMID: 42232098. The observational study at the center of this article, linking self-selected hydrogen-rich water consumption to better chair-stand, gait speed, and grip strength across 128 older adults.
  • Zanini et al. (2021), Experimental Gerontology. PMID: 34601077. A six-month randomized pilot trial in adults 70 and older reporting better chair-stand performance and longer telomere length in the hydrogen-rich water group.
  • Zhou et al. (2024), Frontiers in Nutrition. PMID: 38903627. A systematic review and meta-analysis of 27 trials and 597 participants, reporting a significant difference in lower-limb explosive power.
  • Li et al. (2024), Frontiers in Nutrition. PMID: 38590828. A separate meta-analysis of six trials reporting a significant difference in antioxidant capacity after exercise.
  • Kuzmanovic et al. (2025), Research in Sports Medicine. PMID: 40525414. A randomized pilot trial in adults over 50 reporting lower exercise-induced muscle-damage markers in the hydrogen group after resistance training.

References

  1. Ohsawa I, Ishikawa M, Takahashi K, et al. Hydrogen acts as a therapeutic antioxidant by selectively reducing cytotoxic oxygen radicals. Nature Medicine. 2007;13(6):688-694. PMID: 17486089. DOI: 10.1038/nm1577
  2. Harada Y, Miyakawa M. Association of self-selected hydrogen-rich water consumption with 6-month changes in chair-stand performance and gait speed among community-dwelling older adults attending community salons. Journal of Frailty, Sarcopenia and Falls. 2026;11(2):137-140. PMID: 42232098. DOI: 10.22540/JFSF-11-137
  3. Zanini D, Todorovic N, Korovljev D, et al. The effects of 6-month hydrogen-rich water intake on molecular and phenotypic biomarkers of aging in older adults aged 70 years and over: a randomized controlled pilot trial. Experimental Gerontology. 2021;155:111574. PMID: 34601077. DOI: 10.1016/j.exger.2021.111574
  4. Zhou K, Shang Z, Yuan C, Guo Z, Wang Y, Bao D, Zhou J. Can molecular hydrogen supplementation enhance physical performance in healthy adults? A systematic review and meta-analysis. Frontiers in Nutrition. 2024;11:1387657. PMID: 38903627. DOI: 10.3389/fnut.2024.1387657
  5. Li Y, Bing R, Liu M, Shang Z, Huang Y, Zhou K, Bao D, Zhou J. Can molecular hydrogen supplementation reduce exercise-induced oxidative stress in healthy adults? A systematic review and meta-analysis. Frontiers in Nutrition. 2024;11:1328705. PMID: 38590828. DOI: 10.3389/fnut.2024.1328705
  6. Kuzmanovic J, Todorovic N, Ranisavljev M, Javorac D, Korovljev D, Tarnava A, Stajer V, Ostojic SM. The effects of drinking hydrogen-rich water for six weeks on exercise-related biomarkers in exercise-naïve men and women over 50 years following resistance training program: a randomized controlled pilot trial. Research in Sports Medicine. 2025;33(6):711-721. PMID: 40525414. DOI: 10.1080/15438627.2025.2521474
  7. Tan Y, Xie Y, Dong G, Yin M, Shang Z, Zhou K, Bao D, Zhou J. The effect of 14-day consumption of hydrogen-rich water alleviates fatigue but does not ameliorate dyspnea in long-COVID patients: a pilot, single-blind, and randomized, controlled trial. Nutrients. 2024;16(10):1529. PMID: 38794767. DOI: 10.3390/nu16101529
  8. Johnsen HM, Hiorth M, Klaveness J. Molecular hydrogen therapy-a review on clinical studies and outcomes. Molecules. 2023;28(23):7785. PMID: 38067515. DOI: 10.3390/molecules28237785
  9. Fu Z, Zhang J, Zhang Y. Role of molecular hydrogen in ageing and ageing-related diseases. Oxidative Medicine and Cellular Longevity. 2022;2022:2249749. PMID: 35340218. DOI: 10.1155/2022/2249749

This article is provided for educational and general wellness purposes only and should not be considered medical advice. Nothing here is intended to diagnose, treat, cure, or prevent any disease. Always consult a qualified healthcare provider before beginning any new wellness practice, especially if you have a medical condition, are pregnant or nursing, or take prescription medications.

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