The amount of a solution of sodium chloride that is consumed as a drink, that is, a liquid that is brought into the mouth and swallowed to quench thirst, for nourishment, etc., during a specified period of time. A sodium chloride solution is homogeneous mixture of atoms of sodium, the chemical element with atomic number 11, that have lost one electron forming a cation with a charge of +1, and an equivalent number of atoms of chlorine, the chemical element with atomic number 17, that have gained one electron forming an anion with a charge of -1 dispersed molecularly in a sufficient quantity of dissolving medium (solvent) such as water.