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After reconstitution, the solution should remain refrigerated at 28C and protected from freeze-thaw cycles, which can cause peptide aggregation and measurable loss of bioactivity
Once reconstituted, store the vial under refrigeration at 4 C (39 F)
They are particularly beneficial for vegetarians and vegans (since B12 is found primarily in animal products), older adults with reduced absorption capacity, individuals with digestive conditions such as Crohn's disease or celiac disease, and anyone who has had gastric bypass surgery
Bad kidney function can cause too much B12 to build up, leading to problems
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