- For U.S. residents
| Age (y) | RDA (mcg/d) |
| Infants | |
| 0.0 – 0.5 | 5 |
| 0.5 – 1.0 | 10 |
| Children | |
| 1 – 3 | 15 |
| 4 – 6 | 20 |
| 07-Oct | 30 |
| Males | |
| Nov-14 | 45 |
| 15 – 18 | 65 |
| Females | |
| Nov-14 | 45 |
| 15 – 18 | 55 |
| Age (y) | RDA (mcg/d) |
| Infants | |
| 0.0 – 0.5 | 5 |
| 0.5 – 1.0 | 10 |
| Children | |
| 1 – 3 | 15 |
| 4 – 6 | 20 |
| 07-Oct | 30 |
| Males | |
| Nov-14 | 45 |
| 15 – 18 | 65 |
| Females | |
| Nov-14 | 45 |
| 15 – 18 | 55 |