Vitamin D Deficiency - Classification and Treatment - Insufficiency vs Deficiency Vitamin D Insufficiency: • 25(OH)D Level 12-20 ng/mL (30-50 nmol/L) • Treatment 800-1000 IUs daily Vitamin D Deficiency: • 25(OH)D Level < 12 ng/mL (30 nmol/L) • 50,000 IUs weekly for 6-8 weeks, then 800 IUs D3 daily thereafter. Follow-up 25(OH)D levels in 3-4 months #VitaminD #Deficiency #Insufficiency #Classification #Treatment #management #diagnosis
