U.S. Dietary Reference Intakes

Major Minerals   Trace Minerals  

SODIUM

RDA

  • 500 mg
IRON

RDA

  • 8 mg for men and 18 mg for women
POTASSIUM

RDA

  • 2000 mg
ZINC

RDA

  • 11 mg/day men and 8 mg/day women
CHLORIDE

RDA

  • 700-750 mg
COPPER

RDA

  • 0.9 mg/day (900 ug/day)
CALCIUM

RDA

  • 1000-1200 mg
SELENIUM

RDA

  • 55 ug/day
PHOSPHORUS

RDA

  • 700 mg
IODIDE

RDA

  • 150 ug/day
MAGNESIUM

RDA

  • 400-420 mg for men 310-320 mg for women
FLOURIDE

AI

  • Intake: 3.8 mg/day for men and 3.1 mg/day for women
SULFUR

NO DRI

  • No dietary reference intake set
CHROMIUM

AI

  • 35 ug/day for men and 25 ug/day for women
    MANGANESE

AI

  • 2.3 mg/day for men and 1.8 mg/day for women
    MOLYBDENUM

RDA

  • 45 ug/day