Research indicates that timing is crucial for optimal iron absorption. The best practice is to take iron supplements:
- On an empty stomach or 1 hour before meals
- With vitamin C-rich foods or supplements to enhance absorption
- Away from calcium-rich foods, coffee, tea, and antacids (wait 2 hours)
If stomach upset occurs, taking iron with food is acceptable, though absorption may be reduced by 40-50%. Important: Taking iron supplements at the same time each day helps establish a routine and ensures consistent absorption. Studies show morning consumption may be most effective for many people.
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Last Updated: August 14, 2025
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