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Hydrogen water is gaining popularity as shown in these articles: Healthline, Fox29, Today, FoxNews, Good Housekeeping, NYTimes, and Elle. What You’ll Learn What is hydrogen water? Hydrogen water is water that has been infused or enriched with molecular hydrogen (H2). More simply, it is hydrogen gas (H2) dissolved into water (H2O). It is also sometimes…

In inhalation research, exposure is often discussed using FiH2 (Fraction of Inspired Hydrogen), which refers to the percentage of hydrogen gas present in the air mixture being inhaled over time. FiH2 offers a more standardized way to describe exposure than flow rate alone, though optimal concentrations, session duration, and frequency are still under investigation. FiH2,…

Molecular hydrogen can be administered in several ways, but hydrogen-rich water and hydrogen inhalation are the two most common methods used outside of clinical research settings. While both deliver the same molecule, H2, the way hydrogen enters the body, how exposure is measured, and how dosing is approached differ in important ways. Understanding these differences…