Vitamin D Introduction :
Vitamin D introduction is very important for nowadays people because Vitamin D is playing an essential role in maintaining body functions and healthy bones. It also prevents us from Different diseases. Naturally, Vitamin D is produced by sunlight. When sunlight strikes to our skin, it produces Vitamin D. The Major role of Vitamin D is to manage blood level of calcium and phosphorus. Vitamin D helps to maintain calcium in our body. It also protects our body from different diseases like osteoporosis, high blood pressure, cancer and other diseases.
We can also get Vitamin D from daily dietary sources such as oily fish, meat, and eggs. Fatty fish such as salmon, tuna, and mackerel are rich sources of Vitamin D. Small amount of Vitamin D are also found in beef liver and egg yolks. Orange juice, Soy milk, cheese, and cereals are also good sources of Vitamin D.
There are different types of Vitamin D:-
- Vitamin D1 ( Mixture of molecular compounds of Ergocalciferol ).
- Vitamin D2 ( Ergocalciferol made from ergosterol ).
- Vitamin D3 ( Cholecalciferol made from 7-dehydrocholestrol ).
- Vitamin D4 ( 22-dihydroergocalciferol ).
- Vitamin D5 ( Sitocalciferol made from 7-dehydrositosterol ).
Vitamin D2 & D3 are two major forms of Vitamin D that mostly uses in our daily life. Both are collectively known as Calciferol. Vitamin D2 was chemically introduced in 1931 and vitamin D3 was established in 1935.
Nowadays there are two basic diseases that cause due to Vitamin D deficiency Rickets and Osteomalacia.
Rickets causes in children due to vitamin D deficiency. Which is softening and weakening of bones. It deforms the bones in children. Which can be caused by calcium or phosphorus deficiency as well as lack of vitamin D.
Osteomalacia is a disease that introduced in adults and it is also caused due to vitamin D deficiency. It weaks bones and muscles. Most vitamin D deficiency includes those who are elders or obese and those who are with limited sun exposure.