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How much calcium is necessary?

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Updated April 09, 2011

Question: How much calcium is necessary?
Answer: The following is the recommended dietary allowance (RDA) for calcium as published by National Academy of Sciences:
  • Infants
    • Age 0 to 6 months: 210 mg
    • Age 7 months to 1 year: 270 mg

  • Children
    • Age 1 to 3 years: 500 mg
    • Age 4 to 8 years: 800 mg

  • Women
    • Age 9 to 18 years: 1300 mg
    • Age 19 - 50 years: 1000 mg
    • Over Age 51 years: 1200 mg

      • Pregnancy
        • Under Age 19: 1300 mg
        • Age 19 and Over: 1000 mg

      • Lactating
        • Under Age 19: 1300 mg
        • Age 19 and Over: 1000 mg

  • Men
    • Age 9 to 18 years: 1300 mg
    • Age 19 - 50 years: 1000 mg
    • Over Age 51 years: 1200 mg
These recommendations were published in 2004 by the National Academy of Sciences. For a complete list of all recommendations from this report, see the following:
  1. About.com
  2. Health
  3. Orthopedics
  4. Orthopedic Conditions
  5. Osteoporosis
  6. Osteoporosis Treatment
  7. How much calcium should I consume each day? Calcium in diet RDA

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