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Mineral nutrients are inorganic elements found in food which the body cannot synthesise. Mineral nutrients are essential and vital components of all living cells and are involved in the metabolism of the body.
The word mineral is used in many different ways. The definition given above is a formal definition preferred by geologists. The word also has a nutritional meaning. It is used in reference to the many inorganic chemicals that organisms need to grow, repair tissue, metabolize, and carry out other body processes. Mineral nutrients for the human body include: iron, calcium, copper, sulfur, phosphorus, magnesium and many others.