vaitamins are organic compound required by the body in trace amount to form spicific cellular function .can not be synthesied by the body and must be suplied the diet..
vitamins can be cllasified into:
a|water soluable vitamins
1|thiamine b1
2|riboflavine b2
3|pyrodoxine b6
4|niacine
5|biotin
6|cobalmine
7|pantchenic acid
8|folic acid
9|ascorbic acid or vitamin c
b|fat soluble vitamins:
1|vitamin A
2|vitaminD
3|vitamin K
4|vitamin E
انشاء الله سوف اتحدث عن كل فايتامين علي حده ........