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[18] Bonillo M, Garaffa G, Ralph D

Specifically, choline is the precursor of betaine, which provides a methyl group for the conversion of homocysteine to methionine via the enzyme, betaine-homocysteine methyltransferase (BHMT)

[PubMed] [Google Scholar] 152.Pochini L, Scalise M, Galluccio M, Indiveri C

Apr 2017;18:23-30