Folate metabolism GO:0046655 IEV:0001513 IEV:0001514 KEGG:map00670 KEGG:map00790 The chemical reactions and pathways involving folic acid, pteroylglutamic acid. Folic acid is widely distributed as a member of the vitamin B complex and is essential for the synthesis of purine and pyrimidines. event folate metabolic process folic acid metabolic process folic acid metabolism vitamin B9 metabolic process vitamin B9 metabolism vitamin M metabolic process vitamin M metabolism Metabolism of Cofactors and Vitamins Amino Acid Metabolism