What you need to know about


Sodium (Na) is the main extracellular cation in the body. In nature, this compound is highly reactive and when bound with chloride (Cl-) it forms sodium chloride (NaCl), otherwise known as table salt. Plasma sodium is tightly controlled in the body, and its main role is regulating extracellular fluid volume.

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Food sources

Food & drink sources

Here are the foods and drinks where this micronutrient is found.

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