Table 2.

Dietary reference values (DRV)/dietary reference intakes (DRI) for vitamin D (reproduced from Pilz et al. (81) under the terms of the CC Attribution 4.0 International (CC BY 4.0) licence).

Country (health authority)	United States and Canada (IOM)		Europe (EFSA)	Germany, Austria and Switzerland (DACH)	UK (SACN)	Nordic European countries (NORDEN)
DRV/DRI	EAR	RDA	AI	AI	RNI	RI
Target 25(OH)D in nmol/L	40	50	50	50	25	50
Age group	Vitamin D intakes in µg (international units, IU) per day (1 µg = 40 IU)
0–6 months	10 (400)			10 (400)	8.5–10 (300–400)
7–12 months	10 (400)		10 (400)	10 (400)	8.5–10 (300–400)	10 (400)
1–3 years	10 (400)	15 (600)	15 (600)	20 (800)	10 (400)	10 (400)
4–6 years	10 (400)	15 (600)	15 (600)	20 (800)	10 (400)	10 (400)
7–8 years	10 (400)	15 (600)	15 (600)	20 (800)	10 (400)	10 (400)
9–10 years	10 (400)	15 (600)	15 (600)	20 (800)	10 (400)	10 (400)
11–14 years	10 (400)	15 (600)	15 (600)	20 (800)	10 (400)	10 (400)
15–17 years	10 (400)	15 (600)	15 (600)	20 (800)	10 (400)	10 (400)
18–69 years	10 (400)	15 (600)	15 (600)	20 (800)	10 (400)	10 (400)
70–74 years	10 (400)	20 (600)	15 (600)	20 (800)	10 (400)	10 (400)
75 years and older	10 (400)	20 (600)	15 (600)	20 (800)	10 (400)	20 (800)
Pregnancy	10 (400)	15 (600)	15 (600)	20 (800)	10 (400)	10 (400)
Lactation	10 (400)	15 (600)	15 (600)	20 (800)	10 (400)	10 (400)

IOM, Institute of Medicine; EFSA, European Food Safety Authority; DACH, Germany, Austria and Switzerland; SACN, Scientific Advisory Committee on Nutrition; EAR, Estimated Average Requirement; RDA, Recommended Dietary Allowance; AI, Adequate Intake; RNI, Reference; Nutrient Intake; RI, Recommended Intake; 25(OH)D, 25-hydroxyvitamin D.