Which vitamin is the most important one digestive health?
a)	Vitamin-A	b)	Vitamin-D	c)	Vitamin-E	d)	Vitamin-B

(d)

Cod and shark liver oil is a good source of vitamins like retinol and calciferol. Vitamins and minerals are micronutrient and provide no energy but their deficiency causes specific disease or abnormalities or so they protect the human body and can be considered as protective nutrients. Vitamin-B is water soluble hence, it is more beneficial than A, D, E which are fat soluble