Dear Doctors: 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 important? What kinds of foods do you need to be eating to have enough of it?
Dear Reader: Vitamin B12 is what is known as an essential nutrient. That means two things: First, an essential nutrient…