Selenium: recommended daily intake
Reference values for selenium across life-stage groups, from NIH Office of Dietary Supplements: Selenium.
55 µg/day
Adults 19–50.
| Life stage | RDA / AI | UL | EAR | AMDR |
|---|---|---|---|---|
| Infants 0–6 months | 15µg (AI) | 45µg | - | - |
| Infants 7–12 months | 20µg (AI) | 60µg | - | - |
| Children 1–3 years | 20µg (RDA) | 90µg | 17µg | - |
| Children 4–8 years | 30µg (RDA) | 150µg | 23µg | - |
| Males 9–13 years | 40µg (RDA) | 280µg | 35µg | - |
| Females 9–13 years | 40µg (RDA) | 280µg | 35µg | - |
| Males 14–18 years | 55µg (RDA) | 400µg | 45µg | - |
| Females 14–18 years | 55µg (RDA) | 400µg | 45µg | - |
| Adult males 19–50 | 55µg (RDA) | 400µg | 45µg | - |
| Adult females 19–50 | 55µg (RDA) | 400µg | 45µg | - |
| Adult males 51+ | 55µg (RDA) | 400µg | 45µg | - |
| Adult females 51+ | 55µg (RDA) | 400µg | 45µg | - |
| Pregnancy (19–30) | 60µg (RDA) | 400µg | 49µg | - |
| Lactation (19–30) | 70µg (RDA) | 400µg | 59µg | - |
Source: NIH Office of Dietary Supplements: Selenium (snapshot 2026-04-30)