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A member asked:
Can you have a b12 deficiency and have 'normal' serum b12 levels?
A doctor has provided 1 answer
Yes: Vitamin B 12 is used inside the cell and is the reason why measuring vitamins in the blood does not give you an answer that is practical.
Answered 2/1/2019
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Related Questions
A member asked:
Serum glucose is 2.2 doctor said borderline so need fasting blood test. What is this? and could this be related to B12 deficiency?
A doctor has provided 1 answer
A member asked:
Can all over tingling be a symptom of *iron deficiency* anemia? I'm only findinf it on B12 anemia symptoms lists, my b levels are normal or high
4 doctors weighed in across 2 answers
A member asked:
Hello..I am 25 year male..I have normal blood count and test show.Deficiency in vitamin B12 level and I have always this feverish feeling ?
A doctor has provided 1 answer
A member asked:
I've deficiency in B12 which was corrected after oral 500mcg tab.Levels came down after stopping the supplement.My Intrinsic Factor was Negative. All blood and stool tests are normal with no anemia. Not Vegan. Can this be absorption issue or dietary?
2 doctors weighed in across 2 answers
People also searched for:
Is there a test to measure intracellular level B12? Some variants transcobalamin II are ineffective in transporting it across the cell membrane even when serum levels are normal. A functional deficiency. Test would help determine treatment?
Is it possible to have a vitamin B12 deficiency if your serum level is 250 p/mol? have every symptom plus high MCV and mch
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