We are dealing in Folic acid or folate is a B vitamin.
Also referred to as vitamin M,vitamin B9,vitamin Bc (or folacin), pteroyl-L-glutamic acid, and pteroyl-L-glutamate.
Food supplement manufacturers often use the term folate for something different from "pure" folic acid: in chemistry, folate refers to the deprotonated ion, and folic acid to the neutral molecule—which both coexist in water. The International Union of Pure and Applied Chemistry and the International Union of Biochemistry and Molecular Biologystate that folate and folic acid are the preferred synonyms for pteroylglutamate and pteroylglutamic acid, respectively.
Folate indicates a collection of "folates" that is not chemically well-characterized, including other members of the family of pteroylglutamates, or mixtures of them, having various levels of reduction of the pteridine ring, one-carbon substitutions and different numbers of glutamate residues.