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Presented for research literature review only Kakhnover NB et al
This method bypasses the digestive system, making it an excellent option for those who have difficulty absorbing B12 from food or supplements
This laboratory-grade preparation contains sterile water with the addition of 0.9% benzyl alcohol acting as a bacteriostatic preservative to inhibit microbial growth during repeated use under appropriate research conditions
However, long-term studies specifically tracking extended use are lacking
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