Humans need vitamins to regulate metabolic processes in nutrition, as they are necessary for growth and proper functioning of the body.
Our body needs 13 vitamins that are designated using uppercase letters, the name of the disease that causes the lack or the name of their chemical composition.
Vitamins do not provide energy, but without them the body is not able to reap the constructive elements and energy provided by food.
A lack of these vitamins causes diseases of varying severity, such as scurvy, pellagra, rickets and beriberi; caused by vitamin deficiencies in the diet.