The benefits of hydrogen rich water are explored in the following article from Biochemical and Biophysical Research Communications entitled 'Hydrogen-rich pure water prevents superoxide formation in brain slices of vitamin C-depleted SMP30/GNL knockout mice'

http://www.water-for-health.co.uk/wp/wp-content/uploads/2014/08/Hydrogen-Rich-Water-Superoxide-Dismutase.pdf