Guest guest Posted December 18, 2007 Report Share Posted December 18, 2007 Hi, So what effect would an analogue of B12 have when it blocked the receptors? And how long would it take to have a negative effect? I’ve been vegetarian for most of my life and recently started taking an iron supplement that had B12 in it. but I don’t know the source of the B12, so it might be causing me harm if it’s an analogue. I’m not sure how to go about finding out more. Alice J Quote Link to comment Share on other sites More sharing options...
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