Assertion: choline | /r/CapableOf | provide methyl groups
Facets:
Source sentences:
text: Choline (bitartrate) provides methyl groups needed for many different metabolic functions, including normal muscle function, liver health and early brain development.
text: 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).