What causes low iron saturation levels? I have had many test done in the recent past -last 6 months- and all are normal... Upper endo, colonoscopy, Pill-camera swallow. Also had my gallbladder removed- no post-op issues. But my iron saturation test is low... 7. I have received iron infussion treatments twice now and about to start round 3 this week. Is the itiology sometimes just unknown... And will I just have to continue to have periodic iron infussions the rest of my life?   YYYY@YYYY
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