Ferrous glycine sulphate

Other forms of iron which are present in different pharmaceutical preparations are ferric ammonium citrate, ferrous succinate, iron choline citrate, ferrous amionate, iron calcium complex, carbonyl iron, ferric glycerophosphate, haemoglobin, elemental iron, ferrous glycine sulphate, glycerinated haemoglobin, and iron (III) hydroxide polymaltose complex (equivalent to elemental iron). 

Ferrous succinate and ferrous glycine sulphate are alternatives. 

Iron supplements are often used to treat iron-deficient anaemia. This might occur through severe haemorrhage, dietary deficiency or malabsorption of iron and in pregnancy. Supplements are usually salts of iron. Iron supplements may be administered orally, or sometimes by injection, in the form of ferrous fumarate, ferrous gluconate, ferrous glycine sulphate and ferrous sulphate. 

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