Generally although great variety of vitamins exists that are inprescindibles for the development of our life is not too complicated that in a balanced diet is all those substances that take part in fundamental corporal processes. If we eliminated of our diet some of those vitamins our organism will be suffered and they will be able to appear associate diseases.

Since we have commented safe in case of situations in which or some disease exists or of on effort generally the vitamin contribution is guaranteed in most of the diets or balanced. An example of deficient vitamin contribution we can find it in the stories of sailors who during months let take foods with vitamin C and as consequence suffered escorbuto.

All the existing vitamins can be classified in two great groups: liposolubles and hidrosolubles. First they are soluble in fats and second they are soluble in water.

When would be necessary the additional vitamin contribution?
In special in all the situations in which chemical agents who interfere in the good assimilation like for example in the smokers or in people who are taking certain medicines, in people also exist that follow some type of very restrictive diet in which has been deprived of the daily minimum contribution of necessary vitamins, and also when the daily feeding is very unloving for example when many packaged meals are used, cooked, in damage of crude products like the fruits.
There are some vitamins that if them he can synthesize our body as in the case of vitamin D that he can be synthesized by our organism thanks to the sun.