The HYDROGENYX Journal
La Source — HYDROGENYX Journal
Molecular hydrogen, hydration, maintenance: short, referenced articles, without promises — to understand before buying.
Aoki 2012 — muscle fatigue in athletes (-39% lactate)
The H₂ study that documented 39% reduction in post-exercise lactate.
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Ichihara et al. 2015: H₂ Cochrane review
The systematic review of 321 H₂ studies that consolidates the evidence.
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How to choose your hydrogen bottle in 2026: complete buying guide
The 7 measurable criteria to buy a molecular hydrogen bottle in 2026 without getting fooled: real PPB concentration, SPE/PEM cell type, electrode materials, cycle duration, autonomy, body material, warranty.
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Ohsawa 2007: the origin of the H₂ protocol
The founding study published in Nature Medicine that started it all.
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ELITE 9K vs competitors: DPD-measured technical comparison 2026
Honest technical comparison: ELITE 9K vs a competing brand vs Lourdes Hydrofix vs Hydrogen Health. 6 DPD-measurable criteria: real concentration, cell, warranty, price.
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Saito 2018: H₂ and senior cognition
A Japanese study on 73 subjects >65 years that deserves your attention.
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The 7 peer-reviewed studies on molecular hydrogen
The complete scientific corpus: Ohsawa 2007 (Nature), Aoki 2012 marathon runners, Ohta 2024 UV, Saito 2018 cognition, Nakao, Kajiyama. Methodologies + results + limits.
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H₂ and athletic recovery: Aoki 2012 revisited
14 years on, the marathon study remains the reference — here's why.
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Go further
Science, without the marketing.
Hundreds of studies published since 2007 (Ohsawa, Aoki, Ostojic, LeBaron). Our Science page sorts it out: what has been studied, what remains to be proven.
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HYDROGENYX Flask
From reading
to ritual.
Up to ~9,000 ppb of dissolved molecular hydrogen (manufacturer's data), verifiable with DPD test. Designed to last: 5-year warranty on the cell.
Free tracked shipping · 60-day satisfaction guarantee or your money back · 5-year warranty · 4x Klarna
The HYDROGENYX Flask is a water preparation device, not a medical device. It does not prevent, treat, or cure any disease.