how do you keep your white blood cell count up and your red blood cell count and what does b12 control?

You don’t want your White blood cell count to go up. It only goes up when your body is having an infection. If you are NOT having an infection or fighting some sort of disease, there is no reason for your white blood cell count to go up.For your red blood cell count, you should take an adequate amount of iron a day. but too much is not good either.B12 is a b-complex vitamin, and is used in energy conversion, and some other metabolic processes. mostly for making of enzymes. http://www.vegsoc.org/info/b12.htmlI can’t be certain, but I believe you are talking about Anemia. A good multi-source green powder supplement from your health store is beneficial. It has been known to improve quality and quantity of blood cells.I can’t be too certain about white blood cell count.