Research Article

Circulating 25-Hydroxyvitamin D Levels in Fully Breastfed Infants on Oral Vitamin D Supplementation

Table 1

Infant weight, vitamin D status, and dosage per body weight.

VariableVisit 1 ( )Visit 4 ( )Visit 7 ( )

Infant wt (mean   S.D.)4.6   0.52 kg6.8   0.75 kg8.0   .98 kg
Total circulating 25(OH)D (ng/mL)16.0   9.343.6   14.142.5   12.1
IU vitamin D/body wt (kg)88.9   10.559.7   6.650.5   6.0