The requirement of all vitamins varies not only with the different periods of growth and physiological functions (Pregnancy and Lactation) but also with nutrition.
The vitamins are quickly, and completely resorbed and a rapid therapeutic effect is attained in vitamin deficiencies.
It affects the overall healing capacity of the body; it is also an important Antioxidant that stops harm to the body.
Vitamin B1 is used in the synthesis of carboxylate yeast which is essential in amino acid metabolism. It has an important role in the transport of neural impulses, by inhibition of cholinesterase function. 
Vitamin B2 is manufactured in the body by the intestinal flora. It turns into phosphoric acids which play a role in oxidation-reduction processes. 
Vitamin B6 accesses the synthesis of many metabolic yeasts & amino acids. 
Vitamin B12 is an erythrocyte maturation factor, and it promotes metabolism. 
Vitamin C plays a basic role in antibody synthesis, and it is essential in hemopoiesis. Helps the growth of the tissues in all the parts of the body and repairs the tissue.