what is the adult dosage for taking d
Children and adolescents who do not consume at least 1 liter of milk per day should also take a daily vitamin D dose of 10 micrograms or 400 IU. Adult Dosage The recommended daily dosage of vitamin D is 5 micrograms or 200 IU for adults up to age 50, including pregnant and breastfeeding women, according to the UMMC. Vitamin D requirements for older adults are higher; the recommended daily intake is 10 micrograms or 400 IU for adults ages 51 to 70, and 15 micrograms or 600 IU for adults over age 70.