The Geriatric Dietitian - Which breakfast options are high in iron? Many breakfast cereals, such as cornflakes and rice chex are fortified with iron (which means that iron is added to them),
Wheaties Cereal Sticks to Magnets Because It Contains Iron? | Snopes.com
How to Extract Iron From Breakfast Cereal With a Magnet — The Naturalist's Notebook
Fortifying Breakfast: Unveiling the Iron in Your Cereal - LaBLiFe