VITAMIN B12 RDA
| Age | RDA |
| 0-6 months | no RDA |
| 7-12 months | no RDA |
| 1-3 years | 0.9 micrograms |
| 4-8 years | 1.2 micrograms |
| 9-13 years | 1.8 micrograms |
| 14 and older | 2.4 micrograms |
| Pregnancy | 2.6 micrograms |
| Lactation | 2.8 micrograms |
| Age | RDA |
| 0-6 months | no RDA |
| 7-12 months | no RDA |
| 1-3 years | 0.9 micrograms |
| 4-8 years | 1.2 micrograms |
| 9-13 years | 1.8 micrograms |
| 14 and older | 2.4 micrograms |
| Pregnancy | 2.6 micrograms |
| Lactation | 2.8 micrograms |