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Vitamin B12 (also called cobalamin) is a water-soluble vitamin your body relies on to make energy, protect your nerves, and produce healthy blood cells
Early haematological response begins with reticulocytosis (increased production of immature red blood cells) typically by day 3-4 of treatment , particularly with injectable forms, though the full resolution of symptoms may take several weeks to months
Reconstitute with an appropriate laboratory diluent for in-vitro use
This ex vivo model is significant because it uses actual human hair follicles rather than cell cultures or animal models, providing direct evidence of effects on intact human follicular structures
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