Found in thyroid hormone, which helps regulate growth, development, and metabolism
Part of a molecule (hemoglobin) found in red blood cells that carries oxygen in the body; needed for energy metabolism
Part of many enzymes
Part of many enzymes; needed for iron metabolism
Part of many enzymes; needed for making protein and genetic material; has a function in taste perception, wound healing, normal fetal development, production of sperm, normal growth and sexual maturation, immune system health
Involved in formation of bones and teeth; helps prevent tooth decay
Works closely with insulin to regulate blood sugar (glucose) levels
Part of some enzymes.