Similar term(s): Na.
Sodium is an essential element (chemical formula: Na) that the body needs to function properly, in order to regulate blood pressure and blood volume and for the functioning of muscles and nerves.
Sodium occurs naturally in most foods, mainly as sodium chloride (NaCl), but also in other forms such as sodium nitrate, sodium phosphate, or sodium glutamate.
Source: GreenFacts
For more information on the table of chemical elements see: Web
elements
Periodical table of
elements