Quote:
Originally Posted by mrsD
I would say, 419 especially in a person with symptoms is low.
It is borderline normal, but "normal" according to old lab ranges.
I think you should supplement with 5mg of methycobalamin daily taken on an empty stomach. Get retested in 3 months, and discontinue several days before the blood draw.
See what you have then, if anything has improved or not.
You should be at a value of 1000pg/ml or higher by then. If you are above 1000pg/ml you
can try reducing to 1mg a day, or not --it is your choice. Some posters here stay at 5mg a day
anyway. I take 5 mg twice a week, because I remain high at that dose.
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Thank you for the additional info. I just got back the other two test results one of which was an additional way to test for B12 - Methylmalonic acid level and this number was also within normal range <=0.4 nmol/mL and my level was 0.18 nmol/mL . Supplementation is still something I can try out but it seems this seals the deal that I don't have a deficiency.
Also have B6 done and this was also normal.