Ferrous sulfate

Ferrous sulfate: properties, uses, pros, cons, safety Ferrous sulfate (generally iron(II) sulfate, FeSO₄) is an iron salt used in food mainly as a source of iron for fortification and, more often, as a raw material for dietary supplements (oral iron). The most common form is the heptahydrate (FeSO₄·7H₂O, blue-green crystals), while technical...