• For Indians
Group Particulars RDA (mg)
Infants 0-6 months 25
6-12 months
Children 1-3 years 40
4-6 years 40
7-9 years 40
Boys 10-12 years 40
Girls 10-12 years 40
Boys 13-15 years 40
Girls 13-15 years 40
Boys 16-18 years 40
Girls 16-18 years 40

 

  • For U.S. residents 
Life Stage Group RDA (mg)
Infants  
0-6 months 30
7-12 months 35
Children  
1-3 40
4-6 45
7-10 45
Males  
11-14 50
15-18 60
Females  
11-14 50
15-18 60