The human
In these areas for prevention of a bazedovy illness iodine is added usually to table salt.
Vitamins Vitamin A.
This vitamin is necessary for the contents in a healthy condition of an internal cover of bronchial, intestinal, uric systems, various parts of an eye, including also what allow to see at bad lighting.
The human body receives vitamin A much from fat of milk, an egg yolk, green and yellow vegetables and in the form of vitamin A concentrates.
There are only no its subjects who really very badly eats or because of a serious intestinal illness cannot acquire it.