iron nutrient used to make new DNA and red blood cells, as well as carry oxygen in the blood. It’s also needed for energy metabolism. Too little iron can lead to anemia and symptoms like fatigue and decreased immune function.Vegans with a low iron intake should aim to eat more iron-rich foods, such as cruciferous vegetables, beans, peas, dried fruit, nuts, and seeds. Iron-fortified foods, such as cereals, enriched breads, and some plant milks, can further help