Vitamin D3 Drops · 2500 IUVitamin D3 (cholecalciferol) is more effective in restoring blood levels than the D2 form (ergocalciferol) Cholecalciferol has also been shown to increase the proportion of the active form of vitamin D compared to ergocalciferol. 2,500 IU of vitamin D per drop allows for easy daily dosing In a base of medium chain triglycerides and organic flaxseed oil for better intestinal absorption Vitamin D is a hormone now widely recognized as being important for