Dietary Reference Intakes for Iron in Japan (per day)
| Males | EAR | RDA | AI | UL |
|---|---|---|---|---|
| 0-5 months | - | - | 0.5 mg | - |
| 6-11 months | 3.5 mg | 5 mg | - | - |
| 1-2 years | 3 mg | 4.5 mg | - | 25 mg |
| 3-5 years | 4 mg | 5.5 mg | - | 25 mg |
| 6-7 years | 4.5 mg | 6.5 mg | - | 30 mg |
| 8-9 years | 6 mg | 8 mg | - | 35 mg |
| 10-11 years | 7 mg | 10 mg | - | 35 mg |
| 12-14 years | 8.5 mg | 11.5 mg | - | 50 mg |
| 15-17 years | 8 mg | 9.5 mg | - | 50 mg |
| 18-29 years | 6 mg | 7 mg | - | 50 mg |
| 30-49 years | 6.5 mg | 7.5 mg | - | 55 mg |
| 50-69 years | 6 mg | 7.5 mg | - | 50 mg |
| 70 years and older | 6 mg | 7 mg | - | 50 mg |
| Females | EAR | RDA | AI | UL |
|---|---|---|---|---|
| 0-5 months | - | - | 0.5 mg | - |
| 6-11 months | 3.5 mg | 4.5 mg | - | - |
| 1-2 years | 3 mg | 4.5 mg | - | 20 mg |
| 3-5 years | 3.5 mg | 5 mg | - | 25 mg |
| 6-7 years | 4.5 mg | 6.5 mg | - | 30 mg |
| 8-9 years | 6 mg | 8.5 mg | - | 35 mg |
| 10-11 years | 7 mg | 10 mg | - | 35 mg |
| 12-14 years | 7 mg | 10 mg | - | 50 mg |
| 15-17 years | 5.5 mg | 7 mg | - | 40 mg |
| 18-29 years | 5 mg | 6 mg | - | 40 mg |
| 30-49 years | 5.5 mg | 6.5 mg | - | 40 mg |
| 50-69 years | 5.5 mg | 6.5 mg | - | 40 mg |
| 70 years and older | 5 mg | 6 mg | - | 40 mg |
| Pregnancy (Early-stage) | EAR | RDA | AI | UL |
|---|---|---|---|---|
| 12-14 years | 9 mg | 12.5 mg | - | - |
| 15-17 years | 7.5 mg | 9.5 mg | - | - |
| 18-29 years | 7 mg | 8.5 mg | - | - |
| 30-49 years | 7.5 mg | 9 mg | - | - |
| 50-69 years | 7.5 mg | 9 mg | - | - |
| Pregnancy (Mid-stage) | EAR | RDA | AI | UL |
|---|---|---|---|---|
| 12-14 years | 19.5 mg | 25 mg | - | - |
| 15-17 years | 18 mg | 22 mg | - | - |
| 18-29 years | 17.5 mg | 21 mg | - | - |
| 30-49 years | 18 mg | 21.5 mg | - | - |
| 50-69 years | 18 mg | 21.5 mg | - | - |
| Pregnancy (Late-stage) | EAR | RDA | AI | UL |
|---|---|---|---|---|
| 12-14 years | 19.5 mg | 25 mg | - | - |
| 15-17 years | 18 mg | 22 mg | - | - |
| 18-29 years | 17.5 mg | 21 mg | - | - |
| 30-49 years | 18 mg | 21.5 mg | - | - |
| 50-69 years | 18 mg | 21.5 mg | - | - |
| Lactation | EAR | RDA | AI | UL |
|---|---|---|---|---|
| 12-14 years | 9 mg | 12.5 mg | - | - |
| 15-17 years | 7.5 mg | 9.5 mg | - | - |
| 18-29 years | 7 mg | 8.5 mg | - | - |
| 30-49 years | 7.5 mg | 9 mg | - | - |
| 50-69 years | 7.5 mg | 9 mg | - | - |