Quick guide to Sodium
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- water balance in the body
- muscle contraction
- acid-alkali balance
- nerve impulse transmission
- energy production
- stomach acid production
Absorption and metabolism
Sodium is easily absorbed.
Deficiency
Sodium deficiency is rare and toxic effects from high intakes are of greater concern. Deficiency may occur in high temperatures due to hard exercise or manual work.
Sources
Foods high in sodium include processed meats, cheese, margarine and butter.
Daily recommended dietary intakes
- Men - 920-2300 mg
- Women - 920-2300 mg
- Pregnant women - +0 mg
- Lactating women - +0 mg
Toxic effects of excess intake
Toxic effects include high blood pressure, premenstrual syndrome and possibly osteoporosis, asthma and urinary stones.
Therapeutic uses of supplements
Supplementation is usually unnecessary and is an acquired taste. Sodium bicarbonate may be used to treat metabolic and respiratory acidosis.
Interactions
Sodium interacts with potassium, calcium, magnesium and chloride in body functions.