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Sodium is one of the main electrolytes responsible for maintaining the fluid balance in the body and assisting in muscle contraction. Most diets are high in sodium, causing as increase in blood pressure (hypertension) in salt sensitive individuals. Processed foods and table salt account for most individuals sodium intake with moderate amounts obtained from breads, milks, meats, and vegetables. The AI recommendation for sodium intake is 1,500 mg/per day for men and 1,300 mg/per day for women.


Fluid and electrolyte balance, muscle contraction, and nerve impulse transmission are the major roles of potassium in the body. Recommended AI intakes of 4,700 mg/per day can be obtained from all whole food such as meats, fruits, grains, vegetables, and milk.