Iron . Updated 1 January 1970. +Related Content FacebookTwitteremailPrintIt is important to get enough iron because iron builds red blood cells, muscle proteins, and healthy bones. Most importantly, it helps your blood cells carry the oxygen it needs for energy.Take our quiz to see if you are getting enough iron!1. How often do you eat foods such as: beef, pork, veal, chicken, liver, fish, or clams? Never or hardly ever Only once or twice a week Every other day Most days2. How often do you eat a high-iron cereal? Never or hardly ever Once or twice a week Every other day Most days3. How often do you eat beans, lentils, nuts, tofu, dried fruit, or spinach? Never or hardly ever Once or twice a week Every other day Most days4. Do you take an iron supplement (either a multivitamin with iron or an iron pill recommended by your doctor)? Nope Only when I remember; about once or twice a week About half of the time Most daysTime is Up!