Recommended dietary allowances for Calcium

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  • For Indians
Group Particulars RDA (mg/day)
Men Sedentary Work 400
Moderate Work
Heavy Work
Women  Sedentary Work 400
Moderate Work
Heavy Work
Pregnant Woman 1000
Lactation
     0-6 months 1000
     6-12 months
Infants 0-6 months 500
6-12 months
Children 1-3 years 400
4-6 years 400
7-9 years 400
Boys 10-12 years 600
Girls 10-12 years 600
Boys 13-15 years 600
Girls 13-15 years 600
Boys 16-18 years 500
Girls 16-18 years 500
  • For U.S. residents 
Life Stage Group Calcium (mg/day)
Al* UL*
0-6 months 210 ND*
6-12 months 270 ND*
1-3 y 500 2500
4-8 y 800 2500
9-13 y 1300 2500
14-18 y 1300 2500
19-30 y 1000 2500
31-50 y 1000 2500
51-70 y 1200 2500
>70 1200 2500
Pregnancy
£18 y 1300 2500
19-30 y 1000 2500
31-50 y 1000 2500
Lactating
£18 y 1300 2500
19-30 y 1000 2500
31-50 y 1000 2500

*Abbreviations      

AI  =   Adequate intake      

UL  =   Tolerable upper intake level      

ND =   Not determinable due to lack of data