Vitamin D Recommendations
Age US DRI VH.orga, b
0 - 12 mos10 µg (400 IU)10 µg (400 IU)
1 - 70 yrs15 µg (600 IU)15 µg (600 IU) to 25 µg (1,000 IU)
over 7020 µg (800 IU)20 µg (800 IU) to 25 µ (1,000 IU)
pregnancy15 µg (600 IU)15 µg (600 IU) to 25 µg (1,000 IU)
lactation15 µg (600 IU)15 µg (600 IU) to 25 µg (1,000 IU)
aVeganHealth.org recommendations.
bAmounts somewhat larger are considered safe, but it's best not to take more than twice the recommendations without a doctor's supervision.