No data available for this filter combination Please select differnent combination About this map About this map: Vitamin D map developed by D.A. Wahl et al. on behalf of International Osteoporosis Foundation (IOF) "A global representation of Vitamin D status in healthy populations". Archives of Osteoporosis 2012. CLOSE Filter Population Adults Children About this map LOADING Vitamin D level (nmol/L) < 25 25-50 50-75 > 75