From the Research
The current evidence for the therapeutic benefits of hydrogen water remains preliminary and limited, and it is not yet strong enough to recommend hydrogen water as a medical treatment for any specific condition. While some small studies suggest potential antioxidant effects and benefits for certain conditions like metabolic syndrome, Parkinson's disease, and athletic recovery, most research consists of animal studies, small human trials, or studies with methodological limitations 1. Hydrogen water works theoretically by providing molecular hydrogen (H2), which may selectively neutralize harmful free radicals while preserving beneficial ones. Typical consumption involves drinking hydrogen-infused water (1-2 liters daily) with hydrogen concentrations of 0.5-1.6 parts per million, often using hydrogen tablets, electrolysis devices, or pre-packaged hydrogen water.
Some studies have shown promising results, such as a randomized, double-blind, controlled trial that found hydrogen-rich water reduced inflammatory responses and prevented apoptosis of peripheral blood cells in healthy adults 2. Another study found that 6-month intake of hydrogen-rich water increased telomere length and improved certain molecular and phenotypic biomarkers of aging in older adults 3. However, these findings are not consistent across all studies, and more rigorous, large-scale human studies are needed to substantiate these findings.
It is essential to note that the evidence for hydrogen water is still emerging, and many claimed benefits lack robust clinical validation. Therefore, those interested in trying hydrogen water should view it as a supplement rather than a medical treatment and consult healthcare providers, especially if managing existing health conditions. The most recent and highest-quality study on this topic, a systematic review published in 2024, highlights the need for further research to fully explain the mechanisms behind the potential benefits of hydrogen-rich water 1.
In terms of specific recommendations, there is no consensus on the optimal dosage or duration of hydrogen water consumption. However, typical consumption involves drinking 1-2 liters of hydrogen-infused water daily, with hydrogen concentrations ranging from 0.5-1.6 parts per million. It is crucial to consult with a healthcare provider before starting any new supplement regimen, especially if you have any underlying health conditions.
Overall, while the current evidence for hydrogen water is promising, it is essential to approach this topic with caution and recognize the need for further research to fully understand its potential benefits and limitations.