Iron supplements are best taken on an empty stomach, ideally 1-2 hours before or after meals. According to research, taking iron supplements with vitamin C can enhance absorption by up to 67%. However, avoid taking them with:
- Calcium-rich foods or supplements
- Coffee or tea
- Whole grains
- Dairy products
If you experience stomach discomfort, you can take iron with food, though this may reduce absorption by 40-50%. Starting with a lower dose and gradually increasing it can help minimize side effects.
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Last Updated: September 15, 2025
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