While iron supplements are generally safe, they can cause several side effects:
- Constipation or diarrhea
- Stomach pain and nausea
- Dark stools
- Temporary tooth staining
Studies indicate that taking supplements with food can reduce gastrointestinal side effects. Slow-release formulations may also help minimize digestive issues. If side effects persist, consult your healthcare provider about adjusting the dosage or trying a different form of iron.
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Last Updated: October 5, 2025
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