I was surprised when a blood test at my annual checkup found I’ m low in B vitamins, especially B12. My doctor gave me a shot, and the fatigue that I had been feeling went away. Why is B12 so ...

Like most supplements, vitamin B complex can cause side effects, depending on the dose and type of vitamin B. Find a list of ...

To make sure your body is in tip-top shape as you age, make sure you're getting these vitamins and minerals in your diet or ...

Initial symptoms of vitamin B12 deficiency, such as fatigue, nausea, and loss of appetite, are often basic and remain ...