Review Article

Are Systematic Screening for Vitamin D Deficiency and Vitamin D Supplementation Currently Feasible for Ankylosing Spondylitis Patients?

Table 2

Vitamin D (vitamin D2 and vitamin D3) treatment for vitamin D deficiency as recommended by the Endocrine Society for the treatment of vitamin D deficiency.

Life stage groupLoading doseMaintenance dose

0-1 year2000 IU/day or 50000 IU/week for 6 weeks400–1000 IU/day
1–18 years2000 IU/day or 50000 IU/week for at least 6 weeks600–1000 IU/day
Adults6000 IU/day or 50000 IU/week for 8 weeks1500–2000 IU/day

IU: international units.