Use of sugar in the body

Whole grains, spices, meats, brewer's yeast
 

Hemoglobin synthesis and function; production of collagen, elastin, neurotransmitters; melanin formation
 

Organ meats, shellfish, nuts, fruits

Binding calcium in bones and teeth
 

Fluoridated water

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

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