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Those following a vegan or strict plant-based diet are more likely to suffer from vitamin B12 deficiency

Direct measurement of the binding proteins is more informative when available." How should suspected biotin or heterophile-antibody interference change interpretation of an immunoassay-based B12 result

This substrate site-targeting mechanism provides selectivity over related methyltransferases and other NAD salvage pathway enzymes in laboratory assay systems

Swabbing with alcohol before every single puncture is not optional safety theater

However, Hydroxocobalamin remains a valuable alternative for those needing sustained B12 levels, but for most, Methylcobalamin provides optimized therapeutic benefits.