Iron which isn't as easily absorbed In the bloodstream as Heme Iron and is generally found in plant based foods such as lentils, nuts, seeds, beans, spinach and potatoes with skin. You may also find Non-Heme Iron in fortified breakfast cereals.
Non-Heme Iron doesn't absorb as easily as Heme Iron, so you're best off recieving your daily dose of Iron from meats (particularly red meat) if you're concerned with your daily Iron intake.