| Re: Elevated b-12 ?
Absolutely.
A normal Cyanocobalamin ranges between 250 and 350.
(Physicians claim a concentration smaller than 50 p/mol is abnormal, however this is not accurate as it's just the minimum to prevent pernicious anemia)
The cyanide part of cyanocobalamin might be causing the trouble. Your liver splits the cyanide from the cobalamin and gets rid of it. If it's too much your liver can experience problems cacthing up.
Alllthough it won't do any fatal damage to your liver, I still suggest cutting down on B12 usage. It's not as if taking in excessive amounts is beneficial if, like your bloodwork proves, your body can absorb B12. (People with pernicious anemia - like me - or those having parts of their stomach removed can safely take in extreme amounts of B12 with only about a percent of it being absorbed)
Also, serum B12 is not a realy good indicator of *actual* B12, but in your case it probably is seeing as the numbers are so high there's little room for error. Unless, offcourse, (if you're taking subdermal B12 shots) the nurse or doctor may be accidentally be putting it in your veins.
MTS
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Elevated b-12 ? 
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