What They Do and Where to Get Them
| Trace Element | Needed For | Good Sources |
| Chromium | Use of sugar in the body | Whole grains, spices, meats, brewer’s yeast |
| Copper | Hemoglobin synthesis and function; production of collagen, elastin, neurotransmitters; melanin formation | Organ meats, shellfish, nuts, fruits |
| Fluorine | Binding calcium in bones and teeth | Fluoridated water |
| Iodine | Production of energy (as part of thyroid hormones) | Seafood, iodized salt |
| Iron | Hemoglobin synthesis and function; enzyme actions in energy production; production of collagen, elastin, neurotransmitters | Organ meats, meat, poultry, fish |
| Manganese | Functions not entirely understood, but needed for optimal health | Whole grains, nuts |
| Molybdenum | Functions not entirely understood, but needed for optimal health; detoxification of hazardous substances | Organ meats, whole grains, green leafy vegetables, milk, beans |
| Selenium | Functions not entirely understood, but necessary for optimal health | Broccoli, cabbage, celery, onions, garlic, whole grains, brewer’s yeast, organ meats |
| Zinc | Immunity and healing, good eyesight, hundreds of enzyme activities | Whole grains, brewer’s yeast, fish, meats |
