thailandDietary Reference Intakes for Vitamin B12(Cyanocobalamin) in Thailand

Men

Age RDA
0 - 1 years 0.4 ~ 0.5 μg
1 - 9 years 0.7 ~ 1.3 μg
10 - 19 years 2 μg
20 - 59 years 2 μg
60 years and abobe 2 μg

Women

Age RDA
0 - 1 years 0.4 ~ 0.5 μg
1 - 9 years 0.7 ~ 1.3 μg
10 - 19 years 2 μg
20 - 59 years 2 μg
60 years and abobe 2 μg

Pregnant Women in 1st Trimester

Age RDA
10 - 19 years 2.5 μg
20 - 59 years 2.5 μg
60 years and abobe 2.5 μg

Pregnant Women in 2nd Trimester

Age RDA
10 - 19 years 2.5 μg
20 - 59 years 2.5 μg
60 years and abobe 2.5 μg

Pregnant Women in 3rd Trimester

Age RDA
10 - 19 years 2.5 μg
20 - 59 years 2.5 μg
60 years and abobe 2.5 μg

Lactating Women, first 6 months

Age RDA
10 - 19 years 2.5 μg
20 - 59 years 2.5 μg
60 years and abobe 2.5 μg

Lactating Women, after 6 months

Age RDA
10 - 19 years 2.5 μg
20 - 59 years 2.5 μg
60 years and abobe 2.5 μg


Source: Department of Health Thailand (1989) Recommended Daily Dietary Allowances and Dietary Guidelines for Thais, Department of Health, Ministry of Public Health, Bangkok.