Iron BisglycinateIron is essential to the formation and function of healthy red blood cells.* An adequate amount of dietary iron is required for blood cells to efficiently transport oxygen throughout the body. According to the U. S. Centers for Disease Control (CDC), up to 16 percent of individuals in some populations is deficient in iron. Individuals who can be prone to iron deficiency include: Women of menstruating age Individuals who follow a vegan or vegetarian