"Slow Fe gives you the high potency iron you need to support oxygen transport throughout the day. Its special controlled-release system is gentle on your stomach, so you experience fewer GI side effects (nausea and abdominal discomfort) common to iron use. Plus, Slow Fe is easy to swallow, making getting the iron you need easier than ever! It?s no wonder it?s the number 1 doctor recommended iron supplement.* *Among OTC iron-only supplement brands"