GB 29922-2013 Natiron 27 mg ferrous gluconateional Food Safety Standard Geferrous fumarate birth controlneral Rules for Fferric edtaoods for Special Medical Purposes defines Food for Special Medical Purposes aniron ii glycine sulfate complexd its various subgroups:Nutritionally Complete, Specific Nutrient Profile and Nutritionally Incomplete firon ferrous sulfate 325 mgoods. FSMP for infants also belongs to this category.