If your dietary sources are insufficient, you may consider supplements, such as pills or injections, depending on the cause of the deficiency
Purchasing or supplying it outside of this framework is not legally sanctioned and carries significant risks, including exposure to counterfeit or contaminated products
Its compact size resists enzymatic degradation, making it suitable for long-duration laboratory studies of fat metabolism
However, research suggests that maintaining adequate B12 levels may help with weight management by improving energy levels[2] and overall metabolic efficiency[1], particularly for those with a deficiency
A mild shortage might simply require dietary tweaks, whereas severe depletion necessitates immediate, potent B12 injections