Ferrous tartrate is a chemical compound and the iron(II) salt of tartaric acid.

[1] Ferrous tartrate has been used as a steel medicine.

[2][3] 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[4] in a pint of sherry.

[6] Historically, it was used as a stomachic and tonic, at a dose of 2 tbsp.