The invention provides an iron-carbohydrate complex compound which is characterized by a content of iron (II). The invention also provides processes for the preparation of the iron-carbohydrate complex compound and the use thereof for treatment of iron deficiency anaemias.本發明提供一種鐵-碳水化合物之錯化合物,其係以含有鐵(II)為其特徵。本發明也提供該鐵-碳水化合物之錯化合物之製法,及使用其用於鐵缺乏性貧血之治療之用法。