Vitamins ? Whats that

 Vitamins and their role !                                     

Vitamins are naturally occurring biochemical substances either biochemical substances either boisynthesized in the body or made available from food stuffs like meat,egg,vegetables, fish and fruits.These are required for their metabolic role in nutrition and in deficiency disease .An average diet contains a sufficient amount of vitamins and even if there is a slight deficiency .it is not going to do any harm.The general belief that a slight deficiency of vitamins causes weakness or lowers body resistance is not correct.On the contrary ,their excess may do much harm*(to be discussed later)However ,vitamins are required to be given in certain specific situations where the diet is inadequate in quality and quantity such as in alcoholics elderly debilitated  persons ,or those on a slimming diet ,but it must be remembered that they are not substitute for food .Vitamins may also be needed in certain illnesses like prolonged diarrhoea ,dysentery or vomiting ,infections and worm infections ,or any other prolonged disease.There are other situations in which the requirement is increased ,as at the time of puberty ,pregnancy and lactation.In these cases vitamins are needed in higher quantities than normally required .Besides these,there are certain specific vitamin are required in preference to other constitutes of the tonic!