What is Vitamin D?
Calciferol, or Vitamin D, is naturally present in certain foods. The vital step in the production process of this nutrient is exposure to the sun – it is synthesized in the body when the ultraviolet rays strike the skin.
Calciferol, or Vitamin D, is naturally present in certain foods. The vital step in the production process of this nutrient is exposure to the sun – it is synthesized in the body when the ultraviolet rays strike the skin.