Dx3 Capsules 200,000 IU – Cholecalciferol for Vitamin D DeficiencyDx3 Capsules 200,000 IU High Strength Vitamin D3 Supplement Dx3 Capsules 200,000 IU contain Cholecalciferol (Vitamin D3), a high potency supplement designed for the prevention and treatment of Vitamin D deficiency. Vitamin D3 plays a vital role in maintaining bone health, regulating calcium and phosphate balance, and supporting the immune system. Cholecalciferol (Vitamin D3) is formed naturally in the skin under sunlight and then activated in the