Hello, I have been on loading doses (initially from my GP and now SI) for 7 weeks and am slowly improving.
My initial active B12 was 48.1 ng/L, serum 162. I was on daily oral B12 supplements at the time so my results were skewed.
I know that blood tests after injections are considered pointless but I had an iron test privately yesterday that included active B12 and my results came back as 36pmol/L (if I’ve got this right it converts to 48.7 ng/L). I’m surprised it’s not increased since injecting (I inject EOD). Can anyone shed any light on this or is it just an anomaly?
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Maldeerum
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Your serum and Active B12 levels were rather low so I'm guessing it might take some time for levels to build up.
I wondered if you've got recent results for folate, ferritin and other iron tests and vitamin D as forum members often report deficiencies in these as well as B12.
Has GP tested your potassium levels? Some people can get a drop in potassium levels when B12 treatment starts,
I left a detailed reply in the thread below which might be useful.
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