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The NIH Office of Dietary Supplements and the American Academy of Family Physicians identify the following groups as most vulnerable: Adults over 50 Age-related decline in stomach acid production reduces the ability to release B12 from food proteins
While I have never used expired b12 vials since a pharmacist told me not to I have used multi-use vials after 28 days when they are supposed to be discarded and unrefrigerated once opened as well
Sterile, clear solution in a rubber-stopper laboratory solvent vial designed for repeated access with proper aseptic technique
Proper routines protect patients from preventable bloodstream infections
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