Do you struggle with chronic fatigue syndrome or extreme fatigue?  Although there are many causes of fatigue, vitamin B12 deficiency may be a more common cause of fatigue than mainstream medicine thinks. Functions of Vitamin B12 In a previous article, I discussed the vital importance of vitamin B12 for the support and maintenance of your brain and nerves.  The focus of the article was how vitamin B12 deficiency can lead to numbness and tingling in the hands and feet. Some of the major symptoms … [Read more...]