IV Iron Infusions: Understanding the Five Most Common Options

Intravenous (IV) iron is a proven way to treat iron deficiency when pills are not enough or not tolerated. In the United States, clinicians typically choose among five formulations, each with its own mix of dosing, safety, convenience, and cost. Because studies show similar efficacy when total doses match, there is no single "gold standard"—the goal is to pick the option that balances safety and practicality for the setting.