Vitamin B12 deficiency anemia
The only vitamin which contains essential mineral elements. Not very well absorbed through the stomach. To enter into interaction with calcium during absorption so that it could be useful to the body properly. The recommended dose for adults - 3 micrograms.Prevents the occurrence of anemia. In children, promotes growth and improves appetite. Increases energy. Supports the nervous system healthy. Reduces irritability. Improves concentration, memory and balance. Diseases caused by vitamin B12 deficiency: pernicious anemia, brain damage.
The best natural sources are liver, beef, pork, eggs, milk, cheese, kidney. Toxicity was not detected, even when using megadoses.
Vitamin A