Vitamin B1 (Thiamine or Thiamin) is a water-soluble vitamin, which means. It is involved in all main metabolic processes in the nervous system, muscles, blood cells and heart. It is essential for digestion and for the nervous system therefore it is often used in the treatment of nervous disorders. It has been also observed that a daily sufficient intake of the votamin helps to cope with stress.
Heavy drinkers, smokers, pregnant women should take up to 300mg daily. The most efficient supplements of this vitamin proved to be oral sprays. There are no reports of the vitamin B1’s toxicity. The good sources of the vitamin in food are whole grains, brown rice, seafood and legumes.