B2 vitamin
The B2 vitamin participates in the processes of cellular breathing, hepática chemical decontamination, development of the embryo and maintenance of the envelope of the nerves. Also aid to the growth and the reproduction, and improves the state of the skin, the nails and the hair.
One is mainly in the meats, fish and rich foods in proteins in general. Its deficiency pronounces as injuries in the skin, the mucous and the eyes. The chronic drinkers or smokers usually are deficit and the people who follow strict a diet vegetarian (without eggs nor milk) and do not take supplements from leavening of beer or germ of wheat.