1. Patients launch $1.27 million crowdfunding campaign for ME/CFS gut microbiome study.
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New Exercise Study Brings Both Illumination and Questions
Simon McGrath looks at new objective evidence of abnormal response to exercise in ME/CFS patients, and the questions that researchers are still trying to answer ...
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  1. andreamarie

    andreamarie Senior Member

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    I know there is a very long thread on B12. I am working through it and am TOTALLY confused. Forgive me, but I've only been on the board a few days. Because I cannot absorb ANY kind of B12 due to the surgery I had on my small intestine (I do not have intrinsic factor that makes this possible) I get the cyna B12. Until last year I got two injections a month, but last year a nasal spray that is covered by my insurance was available so I have been using more than the prescribed amount. The only thing I can say is I never had the cognitive problems others with CFS do. This could be a coincidence, because I was starting to get neuro problems before the shots: I failed the tuning fork test. I will be reading about B12 but doubt I can absorb the sublinguals of other types.
  2. richvank

    richvank Senior Member

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    To andreamarie re: sublingual B12

    Hi, andreamarie.

    Welcome to the forum.

    Just want to let you know that the intrinsic factor mechanism is not used for sublingual B12, so you should be able to absorb it alright.

    Best regards,

    Rich
  3. andreamarie

    andreamarie Senior Member

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    According to pharmacist, who's my friend, I'm better off with nasal spray because we are sure I'm absorbing it. There's only a couple studies that show sublingual works without intrinsic factor. The nasal spray is very expensive but my insurance covers it. I use much more of it than prescribed. I might add the sublingual but want to investigate dosage.

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