Oniron fumarate vs iron glycinate April 9th, 2019, Cferrous sulfate how quickly does it workhina CFSA consulted on the use of four new food aferrous fumarate with folic acid and zinc tabletsdditives. They are glucuronolactone, disodium EDTA, caramel color class I-plsắt ferrous fumarateaiiron ferric pyrophosphaten and ε-poly-L-lysine٠HCl.