Iron is the most important mineral for athletes because it is combined with hemoglobin and myoglobin to carry oxygen in the lungs to the working muscles and cells of the body, so iron deficiency affects the ability of the individual to produce energy and thus inability to exert effort and needs to increase the proportion of iron intake during the effort Or in the case of the menstrual cycle of females, to ensure that there is no shortage of the maximum consumption of oxygen, as well as the severe shortage of iron leads to anemia and iron can be added especially for athletes and competitors of long-term aerobic activities.
