IndicationsVitamin D3 1000 is a high strength vitamin D3 supplement, providing the bioactive form of vitamin D,cholecalciferol, that is formed naturally in the body.Vitamin D3 1000 and has been designed to assist with deficiencies of vitamin D and the maintenanceand improvement of general well-being. In Australia and New Zealand, the prevalence of vitamin D deficiency varies, but is acknowledged to be much higher than previously thought in part due to inadequate sun exposure, lifestyle and diet.Aging also produce vitamin D,s ability to