The most important constituents (buffers) of blood that keep the pH value within the limits of 6.8 and 7.8 are formed by sodium bicarbonate (NaHCO3) and carbonic acid (H2CO3). When the proportion of carbonic acid increases through, for example, physical exercise the blood will become acidic. If that happens, we automatically start to breathe more deeply to get rid of more carbon dioxide (CO2) through the lungs and to become less acidic. When acidification continues the alkaline buffer, formed by sodium bicarbonate, ensures that the acid in the blood is neutralized.
In other words, sodium bicarbonate looks after the regulation of body pH. It protects the body and is produced by, for example:
- stomach wall
- wall of the intestine
However, if the body no longer has the proper capacity to produce sufficient bicarbonate to neutralize acid waste, the following mechanism comes into force; liquid acidic waste is converted to solid acid and as such stored in the body. The accumulation of solidified acidic waste or slags, such as uric acid crystals, cholesterol, fatty acids etc. lead to a good deal of chronic metabolic disorders.
Loss of bicarbonate buffers after the age of 40!
There has already been a good deal of research into the relationship between sodium bicarbonate and acidification of the body. A significant study examined how the bicarbonate capacity of the body relates to the increased age of a person.