The most recent Food and Drug Administration's Total Diet Study also revealed that the U.S. population has
adequate dietary iodine, with estimated average daily iodine intake ranging from 138 to 353 micrograms per person (8).
The essential nutrient minerals for humans, listed in order by weight needed to be at the Recommended
Dietary Allowance or
Adequate Intake are potassium, chlorine, sodium, calcium, phosphorus, magnesium, iron, zinc, manganese, copper,
iodine, chromium, molybdenum, selenium and cobalt (the last as a component of vitamin B12).