How much calcium does a person need each day?

The National Academy of Sciences recommends the following values as adequate intake of calcium:

  • 0-6 months – 210 mg/day
  • 6-12 months – 270 mg/day
  • 1-3 years – 500 mg/day
  • 4-8 years – 800 mg/day
  • 9-18 years – 1300 mg/day
  • 19-50 years – 1000 mg/day
  • >51 years – 1200 mg/day