Hi. I have come back from docs for blood tests. My b12 is just over 200. It was over 500 4 months ago.doc said it is within normal levels but I read on line that it should b between 500-1000. If under the 500 it can start to affect brain function. Does anyone know anything about this
B12: Hi. I have come back from docs... - Fibromyalgia Acti...
B12
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Hi. I take vitamin b complex which seems to help.
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