The energy B vitamin, it is necessary to form red blood cells and the protective covering that surrounds nerves. Doses of 1000 mcg have been adequate in treating chronic fatigue and help with energy levels. It can be found in a B complexes or by itself over the counter, but some doctors administer B12 shots intravenously. The ' hair ' vitamin, this vitamin is essential for normal hair and nail growth, normal metabolism of protein, carbs, and fat. Found in meat, whole wheat and dairy products.
Deficiency causes hair loss and loss of appetite and depression.
B vitamin involved in healthy cell division and growth, and supports the immune system. Pregnant or women who are trying to have a baby, should take a little more of this vitamin to ensure healthy growth of the child. 800mcg is the dose or get a good pre-natal vitamin that has plenty of folic acid. This vitamin is essential for strong bones and teeth, and most people do not get enough. There for bone loss is a risk for everyone.