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Plant foods have no vitamin B12 unless they are fortified, which is why a number of vegetarians/vegans find themselves to be deficient in vitamin B12
Volumes and concentrations reported come from published trial protocols, vendor reconstitution sheets, and self-reported community sources
Chan CY, Wei L, Castro-Munozledo F, Koo WL
For longer storage, solutions may be aliquoted into smaller sterile vials and frozen at -20 degrees C or lower to avoid repeated freeze-thaw cycles.
Facilities should have proper inventory management system to track storage duration and ensure compounds are within their stability window for use
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