Recommended dietary allowances (RDA)

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

AI  =  Adequate intake
UL = Tolerable upper intake level
ND = Not determinable due to lack of data.