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Sodium
Established research area
A mineral and electrolyte involved in fluid balance and normal nerve and muscle function. Most dietary sodium comes from salt added to packaged and prepared foods.
Commonly noted
- Commonly noted
- Sodium is a mineral and electrolyte the body uses to keep fluid balance and to support normal nerve and muscle function; most sodium in the diet comes from salt added to packaged and prepared foods rather than from whole foods.
- Low intake
- A dietary sodium shortfall is uncommon on a typical diet; low blood sodium is more often discussed in relation to certain medical conditions or very heavy, prolonged sweating.
- Higher intake
- High sodium intake is commonly discussed in relation to fluid retention and, over the long term, effects on the heart and blood vessels; U.S. guidance commonly cites keeping intake below 2,300 mg a day for adults.
Source: MedlinePlus
Reference intakes
General reference figures for a typical adult, not a personal target.
- aiadult1500 mgDRI/NASEM
Foods and products containing it
Worth knowing
High sodium intake is a widely discussed topic in dietary guidance; most sodium in typical diets comes from packaged and restaurant foods rather than whole foods.