History
JAPAN'S NO. 1 CARBONATED SPRING
In Japan, Nagayu Onsen, located in Oita Prefecture, is known as Japan's No. 1 carbonated spring water thanks to its great output and temperature of the spring water.
In 1933, Dr. Takeyuki Matsuo of Kyushu National University studied the effect of carbonated spring in Nagayu Onsen, and there goes a song "Effective when drinking, Nagayu Onsen is a good medication for the heart and gastrointestinal tract " about its evident effect.
There are only a few places in the world, such as Bad Nauheim and Nagayu Onsen, which are rich in bicarbonate ions dissolved in the water and they are as neutral as possible. It is important that it is neutral bicarbonate water .
Origin of Neutral Bicarbonate
"Neutral Bicarbonate Spring", also called "Hot Spring of Life" or "Rejuvenating Hot Spring," was discovered in the middle of the 19th century as a naturally occurring bicarbonate spring in Bad Nauheim, Germany. Natural bicarbonate springs have attracted attention for over 150 years as being effective in maintaining health and recovering fatigue, and among them, "Neutral bicarbonate springs " are said to be particularly effective. …
