Your blood work indicates microcytic anemia.
You should be screening for your iron stores with serum iron, ferritin, TIBC.
If those are normal, you need a pathologist to look at your RBC for sideroblastic anemia or thalassemia.
If you don't have either of these diseases, then you have anemia of chronic disease and should be worked up for inflammatory diseases such as malignancy, infection, rheumatoid disease, lupus, renal diseaseer diseae, and endocrine disorders.
Taking iron will not help these diseases.
I hope this helps.
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