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Accessed April 7, 2026

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Membrane transport proteins are essential in its uptake, and it is then metabolised via -oxidation and the tricarboxylic acid cycle (Borthakur et al

Symptoms of B12 deficiency can include fatigue, weakness, pale skin, shortness of breath, dizziness, memory problems, mood changes, and tingling or numbness in the hands and feet

However, a limitation of the analyzed papers is that the cohorts are not homogeneous, which could partially account for the contrasting results from different papers