In Children:

Vitamin D is needed for normal growth and development of bone and contributes to the normal function of the immune system.

In Adults:

Vitamin D contributes to:

  • normal absorption/utilisation of calcium and phosphorus
  • normal blood calcium levels
  • the maintenance of normal bones
  • the maintenance of normal muscle function
  • the maintenance of normal teeth
  • the normal function of the immune system

Vitamin D has a role in the process of cell division.