Guest guest Posted November 1, 2011 Report Share Posted November 1, 2011 My 8 yr old son has been on B12 injections for just over 2 yrs. His last round of tests showed a big drop, where now he shows B12 deficient? What might cause this as he was in a normal range before? Any insight is appreciated. Tania Quote Link to comment Share on other sites More sharing options...
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