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Sodium is an essential mineral for the human body. The most common form of sodium is table salt (sodium chloride). As an added ingredient to most foods - used for curing meat, masking off-flavors, retaining moisture, and enhancing flavors - sodium is typically over-consumed in very high amounts in modern society.
Sodium /ËsoÊdiÉm/ is a chemical element with symbol Na (from New Latin natrium) and atomic number 11.It is a soft, silver-white, highly reactive metal.odium was first isolated by Humphry Davy in 1807 by the electrolysis of sodium hydroxide. Many sodium compounds are useful, such as sodium hydroxide (lye) for soap-making and sodium chloride for use as a de-icing agent and a nutrient (edible salt). Sodium is an essential element for all animals and some plants.