The pH of the blood came closer to optimal pH for the rats that drank the Yufuin Water.
The blood picture improved after drinking the Yufuin Water in a human subject.
Due to the unique processes used, those who were overly alkaline had their blood alkaline values become closer to optimal alkaline values (about 7.4) while those who were very acidic became more alkaline
"Optimal Alkalinity..."
Water - The Basic of Life