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Description
Cyanocobalamin is a cheap synthetic version of B12 which is often found in most B12 supplements

doi: 10.1073/pnas.2332818100

(3) showing anticancer and anti-tumor metastatic effect

[DOI] [PubMed] [Google Scholar] 8.Jorgensen P.H., Andreassen T.T., Jorgensen K.D