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When injections first are administered, a patient with severe symptoms may receive five to seven during the first week to restore the body's reserves of this nutrient
However, for individuals who require high doses or have difficulty absorbing the vitamin, injections may be a more practical option
B12 and Fatigue The main reason people tout B12 as an energy-boosting supplement is because of its role in blood cell formation and oxygen transport
Bone Marrow: This is another site where vitamin B12 is stored, playing a crucial role in hematopoiesis (the formation of blood cells)
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