Iron supplements are best taken on an empty stomach, ideally 1-2 hours before or after meals. According to clinical research, this timing maximizes absorption. However, if stomach upset occurs, you can take them with food.
Optimal absorption tips:
- Take with vitamin C (like orange juice) to enhance absorption
- Avoid taking with calcium, coffee, or tea
- Take separately from antacids by at least 2 hours
For menstruating women, the recommended daily allowance is 18mg, while men and post-menopausal women typically need 8mg daily.
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Last Updated: October 19, 2025
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