Until the recent breakthrough on preparation of 15 N-labeled cobalamins via biosynthesis [8] and further development of the first multiple stable isotope dilution assay (SIDA) that simultaneously determines the four natural vitamers [7], the quantification of B12 in foods has been relying on methods mainly applying microbiological assays [9, 10], (U)HPLC-UV [11,12,13,14,15,16,17], and occasionally LC-ICP-MS [18]
It is the primary actin-sequestering protein in mammalian cells and has been studied for its role in cell migration, angiogenesis, and tissue repair
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This led researchers to conduct a study 14 examining the effectiveness of sublingual vitamin B12 in 18 people (age range 2380) with vitamin B12 deficiency
Within You cannot have a vitamin B12 injection if: You are sensitive to any of the excipients, which are - acetic acid, sodium chloride, sodium hydroxide, and water for injections
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