DEAR DR. GOTT: I had my vitamin B12 level tested and found it to be over 2000 and the normal level should be around 200-900. I do not believe this to be caused by over supplementation, though I do take vitamins on a regular basis. I was taking a B-complex but, as of the last month, I have not been taking regular daily doses of vitamins. Should I be concerned? Articles that I have read state that B12 is a water soluble vitamin and one can’t overdose. Articles do lean toward signs of problems with the liver linked with elevated vitamin B12. Please advise as my doctor tells me that I do not need to do anything or be concerned.

DEAR READER: Vitamin B12 is considered one of the most safe. It is water soluble, meaning excesses are typically eliminated in the urine; however, it may take an extended period of time. [Read more...]