Vitamins And Their Significance To A Human Body
A vitamin is one of a group of organic substances, present in minute amounts in natural foodstuffs, that are essential to normal metabolism; insufficient amounts in the diet may cause deficiency diseases. Vitamins are divided into two groups: (i) Fat-soluble Vitamins - Vitamins A, D, E and K are fat-soluble (ii) Water-soluble Vitamins - Vitamins C