Sodium

Mineral essential Salt (sodium chloride)

Sodium is an essential electrolyte that maintains fluid balance, nerve transmission, and muscle function. The Adequate Intake is 1,500 mg, while the chronic disease risk reduction limit is 2,300 mg/day. Most people consume far more than needed, raising blood pressure.

Unit

mg

RDA (adult)

1500 mg

Upper limit

2300 mg

Functions

Maintaining fluid balance and blood volume, Nerve impulse transmission, Muscle contraction, Regulating blood pressure

Food sources

Table salt, Processed foods, Bread, Cured meats, Cheese, Canned soups

Deficiency

Rare from diet; hyponatremia causes headache, nausea, confusion, and in severe cases seizures.

Excess

Habitual high intake raises blood pressure and cardiovascular disease risk; the recommended limit is under 2,300 mg/day.

Wikipedia ↗

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