High Dose Vitamin D Supplementation in Children With Sickle Cell Disease

Subjects within SCD as well as healthy controls, received monthly oral vitamin D3 dose, for 6 months, according to the baseline status of vitamin D as follows: sufficient (\>30 ng/mL): 100,000 IU, insufficient (20-29.9 ng/mL): 150,000 IU, and deficient (\<20 ng/mL): 200,000 IU.