Iron supplements come in several forms, with varying absorption rates and side effects. Studies show that the most effective types include:
- Ferrous sulfate: Most common and cost-effective
- Ferrous gluconate: Often better tolerated
- Ferrous bisglycinate: Higher absorption rate with fewer side effects
Liquid forms typically have better absorption than tablets. Some supplements include vitamin C to enhance iron absorption. Choose a supplement based on your tolerance, as some people experience fewer digestive issues with certain forms.
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Last Updated: October 23, 2025
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