Iron is a nutrient often fortified in cereals to prevent deficiency. It plays an essential role in hemoglobin formation, which is crucial for transporting oxygen in the blood. Iron deficiency can lead to anemia, causing fatigue, weakness, and impaired immune function. By adding iron to cereals, manufacturers help ensure that populations, particularly those with increased iron needs such as children and pregnant women, receive adequate dietary intake. Consuming iron-fortified cereals can effectively support overall health and prevent deficiency-related complications.