Quote:
Originally Posted by KittyKatty
how long does it take for the b12 injections leave my system?
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The injections were likely cyanocobalamin, which stays in the bloodstream only a short time - less than a week (though B-12 is stored in the liver for several months).
http://www.nature.com/nature/journal.../198200a0.html
After you feel recovered, you might consider trying sublingual
methylcobalamin.
http://neurotalk.psychcentral.com/thread85103.html
HTH,
Doc