Table 1.

Recommended vitamin D supplements for maintaining normal vitamin D levels or for correcting deficiencies in pregnant and lactating women, infants, and children.

	Maintenance	Deficiency Correction
Pregnancy and lactation	1000–2000 IU/day	2000 IU/day for 5 months or 4000 IU/day for 2.5 months
Children <1 month	400 IU/day	1000 IU/day for 6–8 weeks
Children 1–12 months	400 IU/day	1000–3000 IU/day for 6–8 weeks
Children >12 months	600–1500 IU/day	2000–4000 IU/day for 6–8 weeks