Ohsawa et al. 2007
A landmark mechanism paper, often cited when molecular hydrogen is discussed. It is useful background but not a product claim.
Research library
The scientific literature on molecular hydrogen is growing. We summarize it carefully: what was studied, what the studies found and what cannot be concluded from them.
A landmark mechanism paper, often cited when molecular hydrogen is discussed. It is useful background but not a product claim.
Reviews summarize human research, administration routes and safety questions across the field.
Some studies use inhalation protocols. Their findings cannot be transferred directly to Lita Air.
Reviews discuss markers of antioxidant capacity. The evidence is mixed and still developing.
Important: this research describes molecular hydrogen as a subject of scientific study. It is not a claim about the I regenerate device or a promise of any specific outcome for an individual user.
Reading list
We use the studies to explain molecular hydrogen as a field, not to promise how any individual will feel.

Publications
The links go to PubMed. These studies describe molecular hydrogen as a field of research. They are not claims about Lita Air or about how any individual will experience the device. The evidence is promising but not yet sufficient for general clinical recommendations.
The foundational study reporting that hydrogen selectively reduces the most cytotoxic oxygen radical without quenching radicals that have a physiological role.
A review of the molecular pathways through which hydrogen is thought to influence oxidative stress, and of its proposed applications.
A review of how hydrogen is proposed to regulate oxidative stress, inflammation and apoptosis (programmed cell death).
A review of 81 clinical trials and human studies, covering administration methods and their safety challenges.
A review of current evidence for hydrogen in neurological conditions.
Describes three practical ways to administer hydrogen (drinking, injection and inhalation) and gives an overview of methods and safety.
A multicenter randomized trial of inhaled hydrogen in post-cardiac-arrest care.
A double-blind, randomized controlled trial of hydrogen inhalation for sudden sensorineural hearing loss.
A systematic review and meta-analysis of hydrogen and exercise-induced oxidative stress in healthy adults.
Drinking or inhaling
Molecular hydrogen is not only studied through inhalation. In some studies, participants drink hydrogen-rich water instead. The two routes give different exposure, so findings from one cannot be transferred to the other. For hydrogen water as well, the evidence is promising but not yet sufficient for health claims. Read our hydrogen water guide.
Educational guides
Next step
Buy Lita Air with a 30-day return window, or book a trial session at our clinic in Stockholm first. If you buy within 60 days, the session fee is credited in full.