In China, foferrous fumarate amount of ironods for special medical purpose (FSMP) are regulated as foods for special dietary uses. Before 2013 there was no national standard for FSMPs in China.ferric pyrophosphate usp monograph In ferrous gluconate 50 mgthe past this kind of food could only be imported to China by being registered as afe(edta) – coordination number drug or health foochelated iron vs ferrous fumarated.