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For optimal absorption, iron supplements should be taken on an empty stomach, ideally 1-2 hours before or after meals. Studies indicate that vitamin C enhances iron absorption, while calcium, tea, coffee, and certain foods can inhibit it.
Best practices include:
- Taking iron with vitamin C-rich foods or supplements
- Avoiding dairy products within 2 hours of taking iron
- Taking iron separately from other medications
- Consuming iron supplements in split doses for better tolerance
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Last Updated: October 13, 2025
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