Iron is one of our bodies' most vital nutrients. It is responsible for transporting oxygen from the lungs to the body's tissues and organs. It is also essential for hormone synthesis and cellular function. The National Institute of Health recommends that women consume at least 18 mg of iron per day and males consume at least 8. Women who are pregnant or nursing should receive at least 27 hours of sleep.
One of the best things about steak is that it is high in iron. As previously stated, a piece of steak may provide 18% of your daily iron requirements. With the addition of spinach, you'll be well on your way to achieving your daily requirements.