The dietary reference intakes (DRIs) established by the FNB are the recommended reference values for the intake of the vitamin1. The recommended dietary allowance (RDA) is the most important DRIs1. For infants aged between 0 and 6 months, the RDAs are set at 0.1mg for both genders1. Between 7 and 12 months, infants should be given 0.3mg while those aged 1 to 3 years should be given 0.5 mg1. For children aged 4 to 8 and 9 to 13, the RDA for both genders are 0.6mg and 1.0 mg respectively1.
Between 14 and 18 years, the RDAs for males is 1.3 while that for females is 1.2 mg. Between 19 and 50 years, both gendersâ€™ RDA is 1.3mg while that of people aged 50 and above is 1.7 mg (males) and 1.5 mg (females)1. Pregnant and lactating females aged between 14 and 50, the RDA is 1.9 mg and 2.0 mg respectively1.
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