Very many people attribute the irritability, insomnia, absent-mindedness and constant feeling of alarm to a stress which as they think, appears at them from behind routine gray everyday life. And spasms in legs in the middle of night, both headaches, and chronic fatigue — it too all the stress is guilty.
– one of minerals in a human body which takes great interest in synthesis of B12 vitamin and stimulation of process of blood formation. Daily requirement – 50-100 mkg.