Iron(II) fumarate
Iron fumarate, also known as ferrous fumarate, is the iron salt of fumaric acid, occurring as a reddish-orange powder, used to supplement iron intake. It has the chemical formula 424. Pure ferrous fumarate has an iron content of 32.87%, therefore one tablet of 300 mg iron fumarate will contain 98.6 mg of iron.Iron supplement
Ferrous fumarate is often taken by mouth as an iron supplement.