4 Warning Signs You are Low in Iron Dr. Janine Shares four warning signs you are low in iron. She talks about broken hair, or hair loss as a warning sign you are low in iron. She looks at cracks in the corner of the mouth as a sign you are low in iron. She explains how gastrointestinal issues and heartburn are warning signs you are low in iron. She talks about pale skin and dry skin as a warning sign you are low in iron. Lasty, Dr. Janine explains the best type of iron supplement to take to avoid constipation. #iron #wellness #vitamins #supplements