Have you had your Vitamin B12 levels tested? It has been suggested that levels below 400 may produce symptoms of deficiency in some individuals.

Symptoms of Vitamin B 12 Deficiency - YouTube
http://www.youtube.com/watch?v=p0da1xrELcA

Vitamin B-12 warning: Avoid cyanocobalamin, take only methylcobalam
http://www.naturalnews.com/032766_cy...amin_B-12.html

Hope that you get some answers and feel better.

With love, Erika