Calcium in milk that help bones strong but without the vitamin D or calciferol, that’s also added to milk, the calcium won’t work.
Vitamin D is responsible chiefly for regulating the absorption and use of calcium and phosphorus.
This vitamin is promotes and maintains normal tooth and bone formation.
Other important functions of vitamin D include maintaining normal nerve conduction and muscle contractions, especially those of the heart muscle. Calcium is to send messages along body nerves and to help muscles contract. Vitamin D regulates the amount of calcium in blood and makes sure it always enough.
Immune system needs vitamin D, and it may help prevent cancer, especially colon cancer.
Adequate vitamin D is also important during reproduction and lactation. Extreme deficiencies may result in congenital malformation of the newborn and injury to the skeleton of the mother.
What are the roles of vitamin D in human body?
