My total iron is 20, my ibc 532, saturation is 4 and ferritin is 1 do i need to take iron pills?

Definitely : You are having Iron deficiency Anemia, SO you should take Iron pill, your iron storage is so low, do you have a very heavy period? Has anyone done anything to find out why you are so Anemic? Talk to a doctor.

Fe deficiency anemia: You definitely have iron deficiency anemia and you should be on iron. But most importantly,you have t find out the cause of your iron deficiency . Are you bleeding? You should be evaluated by the gastroenterologist.