Kangen drinking water is not necessarily better than tap water. It is a brand of ionized water created by adding hydrogen ions to increase the pH of the water. The addition of hydrogen ions makes the water more alkaline and a short-term solution to stomach pain.
The source of the water is of greater importance than the alkalinity of the water. The source determines the purity and mineral content of the water. It is recommended to drink alkaline water, as it has more minerals and has a neutralizing effect on stomach acid. The recommended pH is between 6.5 and 8.5.