BulkSupplements Vitamin D3 Cholecalciferol Powder 500 Grams

What Is Cholecalciferol? Cholecalciferol, also known as Vitamin D3, is a type of Vitamin D which is produced by the skin when exposed to sunlight. Because the body produces it, Vitamin D3 is not a true vitamin, but it is usually considered a vitamin due to its importance in the human body.* Cholecalciferol Benefits Cholecalciferol may help fortify the bones, promote heart health, and support immune function.* Cholecalciferol may also aid cognitive function and support brain function.*