Vitamin D: recommended daily intake
Reference values for vitamin d across life-stage groups, from NIH Office of Dietary Supplements: Vitamin D.
15 µg/day
Adults 19–50.
| Life stage | RDA / AI | UL | EAR | AMDR |
|---|---|---|---|---|
| Infants 0–6 months | 10µg (AI) | 25µg | - | - |
| Infants 7–12 months | 10µg (AI) | 38µg | - | - |
| Children 1–3 years | 15µg (RDA) | 63µg | 10µg | - |
| Children 4–8 years | 15µg (RDA) | 75µg | 10µg | - |
| Males 9–13 years | 15µg (RDA) | 100µg | 10µg | - |
| Females 9–13 years | 15µg (RDA) | 100µg | 10µg | - |
| Males 14–18 years | 15µg (RDA) | 100µg | 10µg | - |
| Females 14–18 years | 15µg (RDA) | 100µg | 10µg | - |
| Adult males 19–50 | 15µg (RDA) | 100µg | 10µg | - |
| Adult females 19–50 | 15µg (RDA) | 100µg | 10µg | - |
| Adult males 51+ | 20µg (RDA) | 100µg | 10µg | - |
| Adult females 51+ | 20µg (RDA) | 100µg | 10µg | - |
| Pregnancy (19–30) | 15µg (RDA) | 100µg | 10µg | - |
| Lactation (19–30) | 15µg (RDA) | 100µg | 10µg | - |
Notes
- Vitamin D in µg; multiply by 40 to convert to IU. Assumes minimal sun exposure.
Source: NIH Office of Dietary Supplements: Vitamin D (snapshot 2026-04-30)