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
Injecting yourself with B12 might be a great way to give your body a little more love, increase your energy levels, or improve your appearance
Scientists investigate its role in modulating the methyl economy of the cell, particularly in adipocyte and metabolic tissue contexts
Published studies used different routes, including oral and intravenous administration, so the amounts cannot be directly transferred between routes
While B12 is naturally found in animal-based foods, some individuals may struggle to absorb enough of it through their diet alone
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