Masahiro Onuma has expertise in oxidative disease prevention to use non-medical product based on GSK’s experience of Allopurinol which is the strongest anti-oxidant efficacy in this world. He creates new indication of Allopurinol for stomatitis induced by cancer treatment which was approved by the Japanese Cancer treatment committee to propose new mechanism of Allopurinol for anti oxidant. And now, there are so many new research papers of Allopurinol in the world. And Masahiro Onuma developed Electronic Water can reduce Oxidative stress in Cancer and Diabetes patients. This can be used so many disease are as the causal mechanism of so many disease is Oxidative Stress.