Different forms of iron have varying absorption rates. Studies show that ferrous sulfate is generally considered the gold standard for iron supplementation due to its high bioavailability and cost-effectiveness. However, other forms may be better suited for some individuals:
- Ferrous gluconate: Gentler on the stomach
- Ferrous bisglycinate: Higher absorption rate with fewer side effects
- Carbonyl iron: Lower risk of iron overdose
The best form for you depends on factors like your tolerance to side effects and specific medical conditions. Discuss with your healthcare provider to determine the most suitable option.
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Last Updated: August 20, 2025
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