human
My doctor told me to take an iron supplement, but I've heard it can be harmful. Is this true?
assistant
Yes, taking an iron supplement can be harmful. Iron supplements are often taken in the form of ferrous sulfate or ferrous gluconate and these forms of iron can cause constipation, nausea, vomiting, diarrhea, stomach pain, bloating, and gas. Taking too much iron can also increase your risk of developing anemia which is a condition where you have low levels of red blood cells. So yes, taking an iron supplement can be harmful.