Ferrous tartrate is a chemical compound and the iron(II) salt of tartaric acid. Ferrous tartrate is a chemical compound and the iron(II) salt of tartaric acid. Ferrous tartrate has been used as a steel medicine. It was generally prescribed during the 19th and early 20th centuries. It is usually prepared by digesting for 30 days, 2 ounces (880 grains) tartarated iron in a pint of sherry. It can be difficult to prepare. Historically, it was used as a stomachic and tonic, at a dose of 2 tbsp. It was also used to treat anemia, dose 1 to 2 fl. dr.