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Minimum 5mg/L Dissolved Hydrogen Gas Naturally Alkaline Icelandic Glacial Water No Stimulants No Additives Free Shipping Money Back Guarantee

Hydrogen Water. Tested. Trusted

Exceptionally pure Icelandic glacial water, precision-infused with dissolved molecular hydrogen. Clean, measured and formulated for those who expect more from hydration.

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Premium hydrogen water for advanced hydration
Clean, stimulant-free formulation
Developed for modern lifestyles

“HtoEAU is something I drink before every workout now, and I can push through with seemingly an extra gear and end up having a great session.”

Daniel Ventura

“I started using HtoEAU after a friend recommended it. The difference in my recovery time has been remarkable.”

Sarah Mitchell

“As a nutritionist I'm selective about what I recommend. HtoEAU has solid science and my clients love the results.”

Dr. Elena Torres

Driven by Science. Engineered for Modern Performance.

Buy HtoEAU® Hydrogen Infused Water — Premium Icelandic Glacial Water
4.8 (248 reviews)

Buy HtoEAU® Hydrogen Infused Water — Premium Icelandic Glacial Water

Naturally alkaline still glacial water, precision-infused with 5mg/L dissolved molecular hydrogen.

From € 1,99 per can

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HtoEAU® Sparkling Hydrogen Water
4.8 (248 reviews)

HtoEAU® Sparkling Hydrogen Water

The same naturally alkaline, hydrogen-engineered water you know — now gently sparkling.

From € 1,99 per can

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HtoEAU® Duo Pack
4.8 (248 reviews)

HtoEAU® Duo Pack

Six Still, Six Sparkling. Best of both Worlds.

From € 1,99 per can

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HtoEAU® Sparkling Lemon Hydrogen Water
4.8 (248 reviews)

HtoEAU® Sparkling Lemon Hydrogen Water

A twist on our sparkling water version, with a dash of natural, organic lemon.

From € 1,99 per can

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No sugar, no stimulants, no additives
For athletes, biohackers and high performers
Evaluated in controlled scientific research
Precision-engineered hydrogen infusion
Naturally alkaline pH 8.3

From Molecular Hydrogen to Next-Level Hydration

What happens when advanced infusion technology meets pure hydration?

THE MECHANISM

Precision Hydration
at the cellular level

Molecular hydrogen is recognised for its role as selective antioxidant, helping reduce harmful oxidative stress without interfering with the body’s natural signaling processes.

ENGINEERED FOR

Faster
Recovery

Reduce post-exercise oxidative stree to shorten recovery cycles.

Cognitive
clarity

Supports focus and mental performance under sustained load.

Cellular
resilience

Targets cellular pathways for long term metabolic health.

Everyday performance

Sustains output across training, work, and demanding routines.

Small enough to penetrate where traditional antioxidants cannot.

Evaluated in Controlled Human Research

Measured, Verifiable Results Under Controlled Conditions

HtoEAU® Hydrogen-Infused Water was evaluated in a 4-week randomized, double-blind, placebo-controlled study involving trained collegiate athletes.

Improved Performance and Wellbeing

The study recorded improvements in maximal running speed (vmax) and anaerobic threshold velocity (vANT), along with improved mental and general health scores.
HtoEAU Still hydrogen water can, 5mg/L dissolved H2, pH 8.3

Specialised Infusion Process

Our process creates stable microbubble dispersion, helping preserve dissolved hydrogen concentration and stability for longer.

Clean, Stimulant-Free Hydration

Only naturally alkaline water and molecular hydrogen. No sugar, stimulants, or additives.

Developed for Modern Lifestyles

Trusted by athletes, biohackers, and individuals who go further, consistently.
Find out more about the science
Woman holding a glass of water after a workout

We Started With Physics. Not Marketing.

Hydrogen water is easy to talk about. It's much harder to produce properly.

Hydrogen escapes easily. It destabilises quickly. It demands precision. If you're not engineering for stability, you're producing a story.

We Engineer Hydrogen. We Do Not Simply Add It.

Our process is designed to optimise dissolved hydrogen concentration, protect hydrogen integrity, and preserve stability from infusion to sealing. Because hydrogen performance isn't a label claim. It's an experienced reality.

A New Standard

Engineered. Measured. Performance-driven. Not just hydration. Hydrogen precision.

Explore the Science

Meet Prof. Sergej Ostojic

HtoEAU® Hydrogen-Infused Water was evaluated in a 4-week randomized, double-blind, placebo-controlled study led by Professor Sergej Ostojic (MD, PhD), a leading researcher in human physiology and exercise science.

The study examined hydrogen-infused water in trained collegiate athletes under controlled conditions, measuring key physiological and wellbeing indicators, including:

  • Maximal running speed (vmax)
  • Anaerobic threshold performance (vANT)
  • Hydration and physiological biomarkers
  • Self-reported wellbeing and physical readiness

These findings contribute to the growing scientific interest in molecular hydrogen and its potential role in advanced hydration and human physiology.

Explore the Science
No sugar, no stimulants, no additives
5mg/l molecular hydrogen. pH 8.3
Evaluated in controlled scientific research
Precision-engineered hydrogen infusion

The Community of High Performers

Trusted by athletes, innovators, and performance-driven individuals who prioritise precision hydration.

Daniel Ventura, WBFF Pro fitness model and HtoEAU drinker

“I drink before every workout”

“I’ve reached a level of physical fitness where I can ascertain if any supplement I take can give me an extra edge. HtoEau is something I drink before every workout now, and no matter how tired I may feel before training I can now push through with seemingly an extra gear and end up having a great session. If you’re serious about fitness and recovery it’s a must have pre-workout!”

Daniel Ventura WBFF Pro Fitness Model, Actor, Advanced Personal Trainer
Ron Tuinenberg, endurance cyclist and HtoEAU drinker

“sleep scores were better”

“Last summer, I kept track of three weeks of training and recovery, during which I consumed one can of HtoEAU Hydrogen Water every morning and evening. What helped me the most and also surprised me was that my sleep scores were better than usual. I have noticed that the right nutrition and the use of HtoEAU Hydrogen Water have contributed to improving my values, so even at my more advanced age, it is possible to improve.”

Endurance Cyclist, Age 62 Garmin VENU X1 User
Heather Pearson MSc, sports therapist and strength coach

“The results speak for themselves!”

“HtoEau® had a positive effect on my chronic fatigue, hydration and recovery from exercise. As I work in professional sport, I would recommend this water to any competitive athlete.”

Heather Pearson MSc Sports Therapist & Strength Coach

Hydrogenate Yourself!

Arguably the most advanced hydrogen water available. Developed using precision-controlled infusion technology and evaluated in human research.

  • Minimum 5 mg/L dissolved hydrogen.
  • Precision-controlled infusion
  • Clean, stimulant-free
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HtoEAU Still and Sparkling hydrogen water cans standing in rippling blue water

Frequently Asked Questions

Everything you need to know about hydrogen-infused hydration and the science behind HtoEAU.

What does it taste like?

HtoEAU® tastes like exceptionally pure, clean water. Molecular hydrogen is colourless, odourless, and tasteless, so there are no added flavours or aftertaste.
How many cans should I drink per day?

Individual hydration needs vary depending on activity level, environment, and personal routine.

In the clinical study, participants consumed 660 mL daily. Many users incorporate 1–2 cans per day as part of their regular hydration and performance routines, but it is perfectly safe to drink more.
Is there real science behind hydrogen-infused water?

Yes. Molecular hydrogen has been the subject of growing scientific research exploring its potential role in human physiology and performance.

HtoEAU® Hydrogen-Infused Water was evaluated in a 4-week randomized, double-blind, placebo-controlled study involving trained collegiate athletes. The study examined performance, physiological, and wellbeing indicators under controlled conditions.

This research contributes to the broader scientific interest in hydrogen-infused hydration and its potential applications in performance-focused environments.

While research is ongoing, hydrogen-infused water continues to be studied as part of the evolving field of advance hydration science.
How is HtoEAU® different from regular water?

HtoEAU® is infused with molecular hydrogen using a precision-controlled system designed to maximise hydrogen stability and retention.

Molecular hydrogen has been widely studied for its potential interaction with oxidative stress and inflammatory pathways, contributing to growing scientific interest in its role within human physiology.
Who is HtoEAU® designed for?

HtoEAU® is developed for athletes, high performers, and individuals who prioritise advanced hydration as part of their daily performance and wellbeing routines.

It is especially suited to those seeking clean, stimulant-free hydration, supported by emerging scientific research.