The trace minerals are needed in minute amounts in the body, so deficiencies rarely ever occur.

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While trace minerals are only needed in small amounts, deficiencies can still occur if they are not consumed in sufficient quantities. Some examples of trace mineral deficiencies include iron-deficiency anemia (lack of sufficient iron), iodine deficiency disorders (lack of sufficient iodine), and selenium deficiency (lack of sufficient selenium).

The Trace Minerals Are Needed in Minute Amounts in the Body