whoDietary Reference Intakes for Vitamin B9(Folate) in WHO(World Health Organization)

Men

Age R
0 - 1 years 16 ~ 32 μg
1 - 9 years 50 ~ 102 μg
10 - 19 years 170 μg
20 - 59 years 200 μg
60 years and abobe 200 μg

Women

Age R
0 - 1 years 16 ~ 32 μg
1 - 9 years 50 ~ 102 μg
10 - 19 years 170 μg
20 - 59 years 170 μg
60 years and abobe 170 μg

Pregnant Women in 1st Trimester

Age R
10 - 19 years 420 μg
20 - 59 years 420 μg
60 years and abobe 420 μg

Pregnant Women in 2nd Trimester

Age R
10 - 19 years 420 μg
20 - 59 years 420 μg
60 years and abobe 420 μg

Pregnant Women in 3rd Trimester

Age R
10 - 19 years 420 μg
20 - 59 years 420 μg
60 years and abobe 420 μg

Lactating Women, first 6 months

Age R
10 - 19 years 270 μg
20 - 59 years 270 μg
60 years and abobe 270 μg

Lactating Women, after 6 months

Age R
10 - 19 years 270 μg
20 - 59 years 270 μg
60 years and abobe 270 μg


Source: Food and Agriculture Organization (1988) Requirements of Vitamin A, Iron, Folate and Vitamin B12, Report of a Joint FAO/WHO Expert Consultation, FAO Food and Nutrition Series 23, FAO, Rome. World Health Organization (1985) Enegy and Protein Requirements, Report of a Joint FAO/WHO/UNU Expert Consulation, WHO Technical Report Series 724, WHO, Geneva. Beaton GH, Patwardhan VN (1976) Physiological and practical considerations of nutrient function and requirements. In : Nutrtion in Preventive Medicine : the Major Deficiency Syndromes, Epidemiology, and Approaches to Control (Beaton GH, Bengoa JM, eds), p.445-81, WHO, Geneva.