The B vitamins help to maintain the health of the nerves, skin, eyes, hair, liver and mouth as well as healthy muscle tone in the gastrointestinal tract and proper brain function. B-complex vitamins act as coenzymes, helping enzymes to react chemically with other substances and are involved in energy production. They may be useful for alleviating depression or anxiety as well. Signs of vitamin B Complex deficiency: Because the B vitamins work together, a deficiency in one often indicates a deficiency in another.
