Recommended Dietary Allowances (RDAs) for Vitamin B12 [ by NIH, National Institutes of Health, USA]

Info Source:

http://ods.od.nih.gov/factsheets/vitaminb12/

Table 1: Recommended Dietary Allowances (RDAs) for Vitamin B12 [5]

Age	Male	Female	Pregnancy	Lactation
0-6 months*	0.4 mcg	0.4 mcg
7-12 months*	0.5 mcg	0.5 mcg
1-3 years	0.9 mcg	0.9 mcg
4-8 years	1.2 mcg	1.2 mcg
9-13 years	1.8 mcg	1.8 mcg
14+ years	2.4 mcg	2.4 mcg	2.6 mcg	2.8 mcg

* Adequate Intake