| 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 | See on other sites: National Institutes of Health Office of Dietary Supplements http://ods.od.nih.gov/Health_Information/ Vitamin and Mineral Supplement Fact Sheets (including selected trace elements) Updated August 2009
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