Several substances can significantly impact iron absorption. Research indicates that the following interfere with iron uptake:
- Foods: Calcium-rich dairy, tea, coffee, whole grains
- Medications: Antacids, proton pump inhibitors
- Supplements: Calcium, zinc, magnesium when taken simultaneously
To maximize absorption, take iron supplements 2 hours before or after these items. Consuming vitamin C-rich foods with iron supplements can enhance absorption by up to 300%. Schedule your supplements thoughtfully to avoid these common interactions.
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Last Updated: October 23, 2025
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