b12 injections uk bnf How Long Does It Take Vitamin to Work? Vitamin B12 | The BMJ
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JS lectured and consulted for TEVA, AbbVie, Ipsen, Roche, Novartis, Biogen, Novo Nordisk, Sanofi, Takeda, and Amicus

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in reply to From the first reference on that page: "Previous reports that megadoses of vitamin C destroy vitamin B12 have not been supported (92) and may have been an artifact of the assay used to measure vitamin B12 levels (17)." in reply to That's fine...but I'm pretty keen to try whatever to lower my b12 so I look more like a human being again
