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Vitamin B12 Injections may be incompatible with some types of drugs, such as warfarin and certain phenothiazines

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[DOI] [PubMed] [Google Scholar] 187.Sueishi Y., Hori M., Ishikawa M., Matsu-Ura K., Kamogawa E., Honda Y., Kita M., Ohara K

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As a copper chelator, it delivers bioavailable Cu(II) to cells, where copper serves as a cofactor for enzymes such as lysyl oxidase and lysyl hydroxylase, both essential for collagen cross-linking and structural stability (Pickart et al., 2015)