CONTENTS 1.DEFINITION 2.FUNCTIONS 3.MAIN SOURCES 4.DEFICIENCY 5.RICKETS 6.SYMPTONS 7.TREATMENT

1. VITAMIN D DEFINITION Edward Mellanby discovered vitamin D. Is a Fat-soluble vitamins. Several forms of vitamin D have been discovered: Vitamin D 2 Ergocalciferol Vitamin D 3 Cholecalciferol Vitamin D 4 22-dihydroergocalciferol Vitamin D 5 Sitocalciferol

2. FUNCTIONS Vitamin D is stored in… Maintain levels of calcium and phosphorus normal. Participate in cell growth and maturation. Strengthens the immune system helping to prevent infection.

Vitamin D deficiency can occur when: – Daily intake is less than the recommended levels. – The kidney can not convert vitamin D into the active form – sun exposure is insufficient – Can not absorb properly at the digestive tract.

5. RICKETS

6. SYMPTOMS

7. MEDICATION Can be treated gradually over several months or one dose of a single day. Based on a clinical trial found that a single dose of 600,000 IU of vitamin D3 orally was comparable to a dose of 20,000 IU of vitamin D3 per day orally for 30 days. The incremental dose may be micrograms (5.000 to IU), which are ingested daily for two to three months.

A single dose of one day may be 15,000 micrograms (600,000 IU) of vitamin D, which is ingested orally in 4-6 divided doses. Intramuscular injection is also an alternative for a dose of a single day. It is recommended that exposure to moderate amounts of sunlight.