Question

why are vitamins necessary in diet

Answer 1

vitamins are compounds which are necessary for our normal growth and function ,which we cannot make within our bodies ,so we must obtain them from our foods .most of the compounds needed for our body cells to function for our health , can be made by ourselves from other nutrients .
Hope it will help you
thank you very much

Answer 2

heya friend

vitamins are building blocks of nutrition in our body

Vitamins are compounds which are necessary for our normal growth and function.

Most of the compounds needed for our body cells to function for our health, can be made by our cells from other nutrients.

The six essential nutrients include carbohydrates, protein, fat, vitamins, minerals and water

so they are very useful for healthy body