Guest guest Posted April 5, 2001 Report Share Posted April 5, 2001 Hi all, I wanted to ask those using/informed about Mcgruff's b12 hydroxy if a vial (30ml) of the unpreserved would last or should be used for longer than one month. I inject 10 mg every other day and am not sure whether the remaining b12 is save to use after a month or should be disregarded. I do refrigerate it. Thanks in advance Quote Link to comment Share on other sites More sharing options...
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