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10.1126/sciadv.aaz2978 44 FanX.PanH.TianA.ChungW
Situations where oral administration is not feasible (e.g., anorexia, nausea, pre-op, GI absorption issues)
Low levels of B12 can produce symptoms both physical and psychological
*Correspondence: Hani El-Nezami, [email protected] These authors have contributed equally to this work Disclaimer All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers
The major functions of vitamin B12 are the synthesis of red blood cells, the upkeep of a healthy neurological system, and the metabolism of fats and proteins
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