B12 info please

[jackyA]

Hi all!

i have just head my active B12 bloods done thru Medichecks as GP really unhelpful and refused to test!!!

results are 38 pmol/L and says this is normal range.

please can anyone help? i am getting fairly desperate as i am soooooo tired ALL the time.

any comments please. thanks in advance

[Gambit62 Administrator]

the range for active B12 is much lower than the range for serum B12 - and your result is in the normal range for active B12 (which usually starts somewhere around 25 ... and is about 20% of the range for serum B12. However both serum and active B12 only tell you what is going on in the cell - hence suggested use of homocysteine and MMA tests in combination with symptoms