Many doctors over look, no or very low B 12 levels, for more woman than men lose the ability to make or absorb vitamin B 12. The simple answer is have the doctor give a B 12 injection. They are non toxic. If this gives some relief she may need series of injections to build a reserve. To boost the immune system, a complete vitamin, mineral regimen be instituted. At less than 50 cents a day depending on the where they are purchased, its cheep insurance. With a least five grams a day of vitamin C. A friend did this and has not had any health problems in over 30 years. For information only. …dez…