vitamin M vs folic acid

vitamin M and folic acid both are nouns.

Word	Noun	Adjective	Verb	Adverb
vitamin M	Yes	No	No	No
folic acid	Yes	No	No	No

As nouns, vitamin M and folic acid are synonyms defined as:

vitamin M and folic acid: a B vitamin that is essential for cell growth and reproduction

Other synonyms of vitamin M include folacin, folate, pteroylglutamic acid, pteroylmonoglutamic acid, vitamin Bc.

vitamin M (noun)	folic acid (noun)
a B vitamin that is essential for cell growth and reproduction	a B vitamin that is essential for cell growth and reproduction