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Some of the biggest risk factors for B12 deficiency are vegetarian/vegan diets, pregnancy/breastfeeding, and aging
Backed by decades of research
*Correspondence: Zhigang Li, [email protected] These authors have contributed equally to this work ORCID ID: Zhigang Li, orcid.org/0009-0001-0254-8155 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
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