Write short note on Vitamins

Explanation

(i) Vitamins are a group of heterogeneous compounds of which each is essential for proper operation of various processes in the body .
(ii) These are main six types of vitamins, namely A,B,C,D,E and K.
(iii) Out of these A,D,E and K are fat soluble whereas B and C are water soluble .
(iv) Vitamins like riboflavin (vitamin `B_(3)`) are necessary for production of `FADH_(2)` and `NADH_(2)` respectively which are produced in processes like glycolysis and kreb's cycle.