Ferrous sulfate is an inorganic compound that is mainly used to fortify foods and treat and prevent iron-deficiency anemia. It is available in hydrated crystalline form and is produced industrially from sulfuric acid and ferrous oxide. Ferrous sulfate finds applications in wastewater treatment, agriculture, food & pharmaceuticals, and other industries. https://www.pressreleasebulletin.com/ferrous-sulfate-market-trends-size/