Common side effects of iron supplements, according to clinical studies, include:
- Constipation or diarrhea
- Dark stools
- Stomach pain or nausea
- Temporary teeth staining
Less common but serious side effects may include severe stomach pain, vomiting blood, or allergic reactions. To minimize digestive issues, consider:
- Taking a slow-release formula
- Starting with a lower dose
- Staying well-hydrated
If side effects persist, consult your healthcare provider about adjusting your dosage or trying a different form of iron.
✓ Expert Reviewed: This content has been reviewed by qualified professionals in the field.
Last Updated: September 15, 2025
Disclaimer: This information is for educational purposes only and should not replace professional medical advice. Always consult with a healthcare provider before making health decisions.
Editorial Standards: Our Medical Content StandardsThe Health Research Team is a collaborative network of healthcare professionals, graduate researchers, and medical science students dedicated to synthesizing peer-reviewed health research for public education. Our interdisciplinary approach combines expertise from nutrition science, physiotherapy, nursing, and medical research to provide comprehensive, evidence-based health information.Click to read our Editorial Policy in details - Medical Oversight: All health information is overseen by board-certified physicians and follows FDA guidelines for health content
