Molecular hydrogen is probably the only antioxidant molecule that can reach inside the mitochondria because of its small size. H2 directly protects mitochondria exposed to reactive oxygen. 

Recent research shows the incredible benefits of hydrogen inhalation therapy for IBS, brain disorders, COPD, lung cancer, asthama, hearth health disorders and more. 

Molecular hydrogen inhalation has anti-aging effects & use in neurological, cardiovascular, rheumatological and cancer conditions. Read this research review on benefits of hydrogen gas therapy to learn more.