trivalent iron in simple compounds like ferric ammonium citrate or in low- and high-molecular weight carbohydrate complexes of ferric hydroxide is so poorly available for intestinal iron absorption in man that it can not be used for a fast and reliable oral iron therapy with reasonably low doses as it can be easily practised with quick-lease preparations of ferrous sulfate at a 100 mg fe2
C0302583
iron
C0060282
ferrous sulfate