Ferrous Sulphate Excicated is an iron salt with the chemical formula FeSO4. This acts as a solid crystalline form of iron, is commonly used in dietary iron supplements. It may be especially beneficial to children, female teenagers, pregnant women, and persons with chronic diseases. This is very effective and safe to use. Supplementing with Ferrous Sulphate Excicated is an easy approach to treat, prevent, or reverse low blood iron levels. Iron deficiency is commonly treated with them as a supplement.