However, for people with low ferritin levels, which is the stored form of iron in the body, the best option is a specific type of iron supplement that contains ferrous sulfate. Ferrous sulfate is ...

This can result in elevated serum ferritin, iron deposition in various ... Conversely, a SF <1000 µg/l is associated with a very low likelihood of cirrhosis, making liver biopsy unnecessary ...

Medically reviewed by Richard N. Fogoros, MD Sometimes, people with iron deficiency anemia don't respond to treatment with iron supplementation and may go months to years with little to no improvement ...