Sodium (Na+)

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Functions nerve and muscle function fluid balance Deficiency muscle cramps weakness headache deficiency rare in developed countries accute deficiency caused by extremely heavy perspiration Good Sources table salt milk and dairy products also found in many processed foods drinking water (some locations) Adequate Intakes (AI) Males and Females (19-51+ yrs.) 1,500 mg (1.5 g) 500 mg Children 10-18 yrs. 500 mg 6-9 yrs. 400 mg 2-5 yrs. 300 mg 1 yr 225 mg Infants 7 mths-1 yr 200 mg birth-6 mths 120 mg Sufficient data to set RDA are unavailable Tolerable Upper Intake Levels (UL) Adults (19 to 50 yrs) 2,300 mg (2.3 g) Intakes above UL may lead to negative health consequences. Supplementation Not recommended, not necessary.