ingredient information
Ferrous Gluconate
Iron(II) gluconate, or ferrous gluconate,[1] is a black compound often used as an iron supplement. It is the iron(II) salt of gluconic acid. It is marketed under brand names such as Fergon, Ferralet, and Simron.[2] It is also present in the combination supplement dianazene, a vitamin mixture created by L. Ron Hubbard and used in the religion Scientology.[3] Ferrous gluconate is used as a food additive when processing black olives. It imparts a uniform jet black colour to the olives.